// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.27.0
// source: msgchains.sql

package database

import (
	"context"
	"database/sql"
	"encoding/json"
	"time"

	"github.com/lib/pq"
)

const createMsgChain = `-- name: CreateMsgChain :one
INSERT INTO msgchains (
  type,
  model,
  model_provider,
  usage_in,
  usage_out,
  usage_cache_in,
  usage_cache_out,
  usage_cost_in,
  usage_cost_out,
  duration_seconds,
  chain,
  flow_id,
  task_id,
  subtask_id
) VALUES (
  $1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14
)
RETURNING id, type, model, model_provider, usage_in, usage_out, chain, flow_id, task_id, subtask_id, created_at, updated_at, usage_cache_in, usage_cache_out, usage_cost_in, usage_cost_out, duration_seconds
`

type CreateMsgChainParams struct {
	Type            MsgchainType    `json:"type"`
	Model           string          `json:"model"`
	ModelProvider   string          `json:"model_provider"`
	UsageIn         int64           `json:"usage_in"`
	UsageOut        int64           `json:"usage_out"`
	UsageCacheIn    int64           `json:"usage_cache_in"`
	UsageCacheOut   int64           `json:"usage_cache_out"`
	UsageCostIn     float64         `json:"usage_cost_in"`
	UsageCostOut    float64         `json:"usage_cost_out"`
	DurationSeconds float64         `json:"duration_seconds"`
	Chain           json.RawMessage `json:"chain"`
	FlowID          int64           `json:"flow_id"`
	TaskID          sql.NullInt64   `json:"task_id"`
	SubtaskID       sql.NullInt64   `json:"subtask_id"`
}

func (q *Queries) CreateMsgChain(ctx context.Context, arg CreateMsgChainParams) (Msgchain, error) {
	row := q.db.QueryRowContext(ctx, createMsgChain,
		arg.Type,
		arg.Model,
		arg.ModelProvider,
		arg.UsageIn,
		arg.UsageOut,
		arg.UsageCacheIn,
		arg.UsageCacheOut,
		arg.UsageCostIn,
		arg.UsageCostOut,
		arg.DurationSeconds,
		arg.Chain,
		arg.FlowID,
		arg.TaskID,
		arg.SubtaskID,
	)
	var i Msgchain
	err := row.Scan(
		&i.ID,
		&i.Type,
		&i.Model,
		&i.ModelProvider,
		&i.UsageIn,
		&i.UsageOut,
		&i.Chain,
		&i.FlowID,
		&i.TaskID,
		&i.SubtaskID,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.UsageCacheIn,
		&i.UsageCacheOut,
		&i.UsageCostIn,
		&i.UsageCostOut,
		&i.DurationSeconds,
	)
	return i, err
}

const getAllFlowsUsageStats = `-- name: GetAllFlowsUsageStats :many
SELECT
  mc.flow_id AS flow_id,
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE f.deleted_at IS NULL
GROUP BY mc.flow_id
ORDER BY mc.flow_id
`

type GetAllFlowsUsageStatsRow struct {
	FlowID             int64   `json:"flow_id"`
	TotalUsageIn       int64   `json:"total_usage_in"`
	TotalUsageOut      int64   `json:"total_usage_out"`
	TotalUsageCacheIn  int64   `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64   `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64 `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64 `json:"total_usage_cost_out"`
}

func (q *Queries) GetAllFlowsUsageStats(ctx context.Context) ([]GetAllFlowsUsageStatsRow, error) {
	rows, err := q.db.QueryContext(ctx, getAllFlowsUsageStats)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetAllFlowsUsageStatsRow
	for rows.Next() {
		var i GetAllFlowsUsageStatsRow
		if err := rows.Scan(
			&i.FlowID,
			&i.TotalUsageIn,
			&i.TotalUsageOut,
			&i.TotalUsageCacheIn,
			&i.TotalUsageCacheOut,
			&i.TotalUsageCostIn,
			&i.TotalUsageCostOut,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getFlowMsgChains = `-- name: GetFlowMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
LEFT JOIN tasks t ON s.task_id = t.id
WHERE mc.flow_id = $1 OR t.flow_id = $1
ORDER BY mc.created_at DESC
`

func (q *Queries) GetFlowMsgChains(ctx context.Context, flowID int64) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getFlowMsgChains, flowID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getFlowTaskTypeLastMsgChain = `-- name: GetFlowTaskTypeLastMsgChain :one
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
WHERE mc.flow_id = $1 AND (mc.task_id = $2 OR $2 IS NULL) AND mc.type = $3
ORDER BY mc.created_at DESC
LIMIT 1
`

type GetFlowTaskTypeLastMsgChainParams struct {
	FlowID int64         `json:"flow_id"`
	TaskID sql.NullInt64 `json:"task_id"`
	Type   MsgchainType  `json:"type"`
}

func (q *Queries) GetFlowTaskTypeLastMsgChain(ctx context.Context, arg GetFlowTaskTypeLastMsgChainParams) (Msgchain, error) {
	row := q.db.QueryRowContext(ctx, getFlowTaskTypeLastMsgChain, arg.FlowID, arg.TaskID, arg.Type)
	var i Msgchain
	err := row.Scan(
		&i.ID,
		&i.Type,
		&i.Model,
		&i.ModelProvider,
		&i.UsageIn,
		&i.UsageOut,
		&i.Chain,
		&i.FlowID,
		&i.TaskID,
		&i.SubtaskID,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.UsageCacheIn,
		&i.UsageCacheOut,
		&i.UsageCostIn,
		&i.UsageCostOut,
		&i.DurationSeconds,
	)
	return i, err
}

const getFlowTypeMsgChains = `-- name: GetFlowTypeMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
LEFT JOIN tasks t ON s.task_id = t.id
WHERE (mc.flow_id = $1 OR t.flow_id = $1) AND mc.type = $2
ORDER BY mc.created_at DESC
`

type GetFlowTypeMsgChainsParams struct {
	FlowID int64        `json:"flow_id"`
	Type   MsgchainType `json:"type"`
}

func (q *Queries) GetFlowTypeMsgChains(ctx context.Context, arg GetFlowTypeMsgChainsParams) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getFlowTypeMsgChains, arg.FlowID, arg.Type)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getFlowUsageStats = `-- name: GetFlowUsageStats :one
SELECT
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE mc.flow_id = $1 AND f.deleted_at IS NULL
`

type GetFlowUsageStatsRow struct {
	TotalUsageIn       int64   `json:"total_usage_in"`
	TotalUsageOut      int64   `json:"total_usage_out"`
	TotalUsageCacheIn  int64   `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64   `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64 `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64 `json:"total_usage_cost_out"`
}

func (q *Queries) GetFlowUsageStats(ctx context.Context, flowID int64) (GetFlowUsageStatsRow, error) {
	row := q.db.QueryRowContext(ctx, getFlowUsageStats, flowID)
	var i GetFlowUsageStatsRow
	err := row.Scan(
		&i.TotalUsageIn,
		&i.TotalUsageOut,
		&i.TotalUsageCacheIn,
		&i.TotalUsageCacheOut,
		&i.TotalUsageCostIn,
		&i.TotalUsageCostOut,
	)
	return i, err
}

const getMsgChain = `-- name: GetMsgChain :one
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
WHERE mc.id = $1
`

func (q *Queries) GetMsgChain(ctx context.Context, id int64) (Msgchain, error) {
	row := q.db.QueryRowContext(ctx, getMsgChain, id)
	var i Msgchain
	err := row.Scan(
		&i.ID,
		&i.Type,
		&i.Model,
		&i.ModelProvider,
		&i.UsageIn,
		&i.UsageOut,
		&i.Chain,
		&i.FlowID,
		&i.TaskID,
		&i.SubtaskID,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.UsageCacheIn,
		&i.UsageCacheOut,
		&i.UsageCostIn,
		&i.UsageCostOut,
		&i.DurationSeconds,
	)
	return i, err
}

const getSubtaskMsgChains = `-- name: GetSubtaskMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
WHERE mc.subtask_id = $1
ORDER BY mc.created_at DESC
`

func (q *Queries) GetSubtaskMsgChains(ctx context.Context, subtaskID sql.NullInt64) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getSubtaskMsgChains, subtaskID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getSubtaskPrimaryMsgChains = `-- name: GetSubtaskPrimaryMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
WHERE mc.subtask_id = $1 AND mc.type = 'primary_agent'
ORDER BY mc.created_at DESC
`

func (q *Queries) GetSubtaskPrimaryMsgChains(ctx context.Context, subtaskID sql.NullInt64) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getSubtaskPrimaryMsgChains, subtaskID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getSubtaskTypeMsgChains = `-- name: GetSubtaskTypeMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
WHERE mc.subtask_id = $1 AND mc.type = $2
ORDER BY mc.created_at DESC
`

type GetSubtaskTypeMsgChainsParams struct {
	SubtaskID sql.NullInt64 `json:"subtask_id"`
	Type      MsgchainType  `json:"type"`
}

func (q *Queries) GetSubtaskTypeMsgChains(ctx context.Context, arg GetSubtaskTypeMsgChainsParams) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getSubtaskTypeMsgChains, arg.SubtaskID, arg.Type)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getSubtaskUsageStats = `-- name: GetSubtaskUsageStats :one
SELECT
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
LEFT JOIN tasks t ON s.task_id = t.id
INNER JOIN flows f ON (mc.flow_id = f.id OR t.flow_id = f.id)
WHERE mc.subtask_id = $1 AND f.deleted_at IS NULL
`

type GetSubtaskUsageStatsRow struct {
	TotalUsageIn       int64   `json:"total_usage_in"`
	TotalUsageOut      int64   `json:"total_usage_out"`
	TotalUsageCacheIn  int64   `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64   `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64 `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64 `json:"total_usage_cost_out"`
}

func (q *Queries) GetSubtaskUsageStats(ctx context.Context, subtaskID sql.NullInt64) (GetSubtaskUsageStatsRow, error) {
	row := q.db.QueryRowContext(ctx, getSubtaskUsageStats, subtaskID)
	var i GetSubtaskUsageStatsRow
	err := row.Scan(
		&i.TotalUsageIn,
		&i.TotalUsageOut,
		&i.TotalUsageCacheIn,
		&i.TotalUsageCacheOut,
		&i.TotalUsageCostIn,
		&i.TotalUsageCostOut,
	)
	return i, err
}

const getTaskMsgChains = `-- name: GetTaskMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
WHERE mc.task_id = $1 OR s.task_id = $1
ORDER BY mc.created_at DESC
`

func (q *Queries) GetTaskMsgChains(ctx context.Context, taskID sql.NullInt64) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getTaskMsgChains, taskID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getTaskPrimaryMsgChainIDs = `-- name: GetTaskPrimaryMsgChainIDs :many
SELECT DISTINCT
  mc.id,
  mc.subtask_id
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
WHERE (mc.task_id = $1 OR s.task_id = $1) AND mc.type = 'primary_agent'
`

type GetTaskPrimaryMsgChainIDsRow struct {
	ID        int64         `json:"id"`
	SubtaskID sql.NullInt64 `json:"subtask_id"`
}

func (q *Queries) GetTaskPrimaryMsgChainIDs(ctx context.Context, taskID sql.NullInt64) ([]GetTaskPrimaryMsgChainIDsRow, error) {
	rows, err := q.db.QueryContext(ctx, getTaskPrimaryMsgChainIDs, taskID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetTaskPrimaryMsgChainIDsRow
	for rows.Next() {
		var i GetTaskPrimaryMsgChainIDsRow
		if err := rows.Scan(&i.ID, &i.SubtaskID); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getTaskPrimaryMsgChains = `-- name: GetTaskPrimaryMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
WHERE (mc.task_id = $1 OR s.task_id = $1) AND mc.type = 'primary_agent'
ORDER BY mc.created_at DESC
`

func (q *Queries) GetTaskPrimaryMsgChains(ctx context.Context, taskID sql.NullInt64) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getTaskPrimaryMsgChains, taskID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getTaskTypeMsgChains = `-- name: GetTaskTypeMsgChains :many
SELECT
  mc.id, mc.type, mc.model, mc.model_provider, mc.usage_in, mc.usage_out, mc.chain, mc.flow_id, mc.task_id, mc.subtask_id, mc.created_at, mc.updated_at, mc.usage_cache_in, mc.usage_cache_out, mc.usage_cost_in, mc.usage_cost_out, mc.duration_seconds
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
WHERE (mc.task_id = $1 OR s.task_id = $1) AND mc.type = $2
ORDER BY mc.created_at DESC
`

type GetTaskTypeMsgChainsParams struct {
	TaskID sql.NullInt64 `json:"task_id"`
	Type   MsgchainType  `json:"type"`
}

func (q *Queries) GetTaskTypeMsgChains(ctx context.Context, arg GetTaskTypeMsgChainsParams) ([]Msgchain, error) {
	rows, err := q.db.QueryContext(ctx, getTaskTypeMsgChains, arg.TaskID, arg.Type)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Msgchain
	for rows.Next() {
		var i Msgchain
		if err := rows.Scan(
			&i.ID,
			&i.Type,
			&i.Model,
			&i.ModelProvider,
			&i.UsageIn,
			&i.UsageOut,
			&i.Chain,
			&i.FlowID,
			&i.TaskID,
			&i.SubtaskID,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.UsageCacheIn,
			&i.UsageCacheOut,
			&i.UsageCostIn,
			&i.UsageCostOut,
			&i.DurationSeconds,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getTaskUsageStats = `-- name: GetTaskUsageStats :one
SELECT
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
LEFT JOIN subtasks s ON mc.subtask_id = s.id
LEFT JOIN tasks t ON mc.task_id = t.id OR s.task_id = t.id
INNER JOIN flows f ON (mc.flow_id = f.id OR t.flow_id = f.id)
WHERE (mc.task_id = $1 OR s.task_id = $1) AND f.deleted_at IS NULL
`

type GetTaskUsageStatsRow struct {
	TotalUsageIn       int64   `json:"total_usage_in"`
	TotalUsageOut      int64   `json:"total_usage_out"`
	TotalUsageCacheIn  int64   `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64   `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64 `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64 `json:"total_usage_cost_out"`
}

func (q *Queries) GetTaskUsageStats(ctx context.Context, taskID sql.NullInt64) (GetTaskUsageStatsRow, error) {
	row := q.db.QueryRowContext(ctx, getTaskUsageStats, taskID)
	var i GetTaskUsageStatsRow
	err := row.Scan(
		&i.TotalUsageIn,
		&i.TotalUsageOut,
		&i.TotalUsageCacheIn,
		&i.TotalUsageCacheOut,
		&i.TotalUsageCostIn,
		&i.TotalUsageCostOut,
	)
	return i, err
}

const getUsageStatsByDay = `-- name: GetUsageStatsByDay :many
WITH bounds AS (
  SELECT
    ((NOW() AT TIME ZONE $1::text)::date - $2::int) AS first_day,
    (NOW() AT TIME ZONE $1::text)::date AS last_day
),
days AS (
  SELECT generate_series(b.first_day, b.last_day, INTERVAL '1 day')::date AS day
  FROM bounds b
),
agg AS (
  SELECT
    (mc.created_at AT TIME ZONE $1::text)::date AS day,
    SUM(mc.usage_in)::bigint AS total_usage_in,
    SUM(mc.usage_out)::bigint AS total_usage_out,
    SUM(mc.usage_cache_in)::bigint AS total_usage_cache_in,
    SUM(mc.usage_cache_out)::bigint AS total_usage_cache_out,
    SUM(mc.usage_cost_in)::double precision AS total_usage_cost_in,
    SUM(mc.usage_cost_out)::double precision AS total_usage_cost_out
  FROM msgchains mc
  INNER JOIN flows f ON f.id = mc.flow_id
  WHERE f.deleted_at IS NULL
    AND f.user_id = $3
    -- The coarse bounds keep the index; the exact test repeats the grouping
    -- expression, because an ambiguous local midnight resolves to the later
    -- instant and would drop the earlier hour of that day.
    AND mc.created_at >= (((SELECT first_day FROM bounds) - 1)::timestamp AT TIME ZONE $1::text)
    AND mc.created_at < (((SELECT last_day FROM bounds) + 2)::timestamp AT TIME ZONE $1::text)
    AND (mc.created_at AT TIME ZONE $1::text)::date
        BETWEEN (SELECT first_day FROM bounds) AND (SELECT last_day FROM bounds)
  GROUP BY 1
)
SELECT
  (d.day::timestamp AT TIME ZONE $1::text) AS date,
  COALESCE(a.total_usage_in, 0)::bigint AS total_usage_in,
  COALESCE(a.total_usage_out, 0)::bigint AS total_usage_out,
  COALESCE(a.total_usage_cache_in, 0)::bigint AS total_usage_cache_in,
  COALESCE(a.total_usage_cache_out, 0)::bigint AS total_usage_cache_out,
  COALESCE(a.total_usage_cost_in, 0.0)::double precision AS total_usage_cost_in,
  COALESCE(a.total_usage_cost_out, 0.0)::double precision AS total_usage_cost_out
FROM days d
LEFT JOIN agg a ON a.day = d.day
ORDER BY date DESC
`

type GetUsageStatsByDayParams struct {
	Tz     string `json:"tz"`
	Days   int32  `json:"days"`
	UserID int64  `json:"user_id"`
}

type GetUsageStatsByDayRow struct {
	Date               time.Time `json:"date"`
	TotalUsageIn       int64     `json:"total_usage_in"`
	TotalUsageOut      int64     `json:"total_usage_out"`
	TotalUsageCacheIn  int64     `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64     `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64   `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64   `json:"total_usage_cost_out"`
}

// One dense row per calendar day in the caller's timezone, zeros included.
func (q *Queries) GetUsageStatsByDay(ctx context.Context, arg GetUsageStatsByDayParams) ([]GetUsageStatsByDayRow, error) {
	rows, err := q.db.QueryContext(ctx, getUsageStatsByDay, arg.Tz, arg.Days, arg.UserID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUsageStatsByDayRow
	for rows.Next() {
		var i GetUsageStatsByDayRow
		if err := rows.Scan(
			&i.Date,
			&i.TotalUsageIn,
			&i.TotalUsageOut,
			&i.TotalUsageCacheIn,
			&i.TotalUsageCacheOut,
			&i.TotalUsageCostIn,
			&i.TotalUsageCostOut,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getUsageStatsByModel = `-- name: GetUsageStatsByModel :many
SELECT
  mc.model,
  mc.model_provider,
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE f.deleted_at IS NULL AND f.user_id = $1
GROUP BY mc.model, mc.model_provider
ORDER BY mc.model, mc.model_provider
`

type GetUsageStatsByModelRow struct {
	Model              string  `json:"model"`
	ModelProvider      string  `json:"model_provider"`
	TotalUsageIn       int64   `json:"total_usage_in"`
	TotalUsageOut      int64   `json:"total_usage_out"`
	TotalUsageCacheIn  int64   `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64   `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64 `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64 `json:"total_usage_cost_out"`
}

func (q *Queries) GetUsageStatsByModel(ctx context.Context, userID int64) ([]GetUsageStatsByModelRow, error) {
	rows, err := q.db.QueryContext(ctx, getUsageStatsByModel, userID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUsageStatsByModelRow
	for rows.Next() {
		var i GetUsageStatsByModelRow
		if err := rows.Scan(
			&i.Model,
			&i.ModelProvider,
			&i.TotalUsageIn,
			&i.TotalUsageOut,
			&i.TotalUsageCacheIn,
			&i.TotalUsageCacheOut,
			&i.TotalUsageCostIn,
			&i.TotalUsageCostOut,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getUsageStatsByModelAgentsForFlow = `-- name: GetUsageStatsByModelAgentsForFlow :many
SELECT
  mc.model,
  mc.model_provider,
  array_agg(DISTINCT mc.type::text)::text[] AS agent_types,
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE mc.flow_id = $1 AND f.deleted_at IS NULL
GROUP BY mc.model, mc.model_provider
ORDER BY mc.model, mc.model_provider
`

type GetUsageStatsByModelAgentsForFlowRow struct {
	Model              string   `json:"model"`
	ModelProvider      string   `json:"model_provider"`
	AgentTypes         []string `json:"agent_types"`
	TotalUsageIn       int64    `json:"total_usage_in"`
	TotalUsageOut      int64    `json:"total_usage_out"`
	TotalUsageCacheIn  int64    `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64    `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64  `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64  `json:"total_usage_cost_out"`
}

func (q *Queries) GetUsageStatsByModelAgentsForFlow(ctx context.Context, flowID int64) ([]GetUsageStatsByModelAgentsForFlowRow, error) {
	rows, err := q.db.QueryContext(ctx, getUsageStatsByModelAgentsForFlow, flowID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUsageStatsByModelAgentsForFlowRow
	for rows.Next() {
		var i GetUsageStatsByModelAgentsForFlowRow
		if err := rows.Scan(
			&i.Model,
			&i.ModelProvider,
			pq.Array(&i.AgentTypes),
			&i.TotalUsageIn,
			&i.TotalUsageOut,
			&i.TotalUsageCacheIn,
			&i.TotalUsageCacheOut,
			&i.TotalUsageCostIn,
			&i.TotalUsageCostOut,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getUsageStatsByProvider = `-- name: GetUsageStatsByProvider :many
SELECT
  mc.model_provider,
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE f.deleted_at IS NULL AND f.user_id = $1
GROUP BY mc.model_provider
ORDER BY mc.model_provider
`

type GetUsageStatsByProviderRow struct {
	ModelProvider      string  `json:"model_provider"`
	TotalUsageIn       int64   `json:"total_usage_in"`
	TotalUsageOut      int64   `json:"total_usage_out"`
	TotalUsageCacheIn  int64   `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64   `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64 `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64 `json:"total_usage_cost_out"`
}

func (q *Queries) GetUsageStatsByProvider(ctx context.Context, userID int64) ([]GetUsageStatsByProviderRow, error) {
	rows, err := q.db.QueryContext(ctx, getUsageStatsByProvider, userID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUsageStatsByProviderRow
	for rows.Next() {
		var i GetUsageStatsByProviderRow
		if err := rows.Scan(
			&i.ModelProvider,
			&i.TotalUsageIn,
			&i.TotalUsageOut,
			&i.TotalUsageCacheIn,
			&i.TotalUsageCacheOut,
			&i.TotalUsageCostIn,
			&i.TotalUsageCostOut,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getUsageStatsByType = `-- name: GetUsageStatsByType :many
SELECT
  mc.type,
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE f.deleted_at IS NULL AND f.user_id = $1
GROUP BY mc.type
ORDER BY mc.type
`

type GetUsageStatsByTypeRow struct {
	Type               MsgchainType `json:"type"`
	TotalUsageIn       int64        `json:"total_usage_in"`
	TotalUsageOut      int64        `json:"total_usage_out"`
	TotalUsageCacheIn  int64        `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64        `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64      `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64      `json:"total_usage_cost_out"`
}

func (q *Queries) GetUsageStatsByType(ctx context.Context, userID int64) ([]GetUsageStatsByTypeRow, error) {
	rows, err := q.db.QueryContext(ctx, getUsageStatsByType, userID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUsageStatsByTypeRow
	for rows.Next() {
		var i GetUsageStatsByTypeRow
		if err := rows.Scan(
			&i.Type,
			&i.TotalUsageIn,
			&i.TotalUsageOut,
			&i.TotalUsageCacheIn,
			&i.TotalUsageCacheOut,
			&i.TotalUsageCostIn,
			&i.TotalUsageCostOut,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getUsageStatsByTypeForFlow = `-- name: GetUsageStatsByTypeForFlow :many
SELECT
  mc.type,
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE mc.flow_id = $1 AND f.deleted_at IS NULL
GROUP BY mc.type
ORDER BY mc.type
`

type GetUsageStatsByTypeForFlowRow struct {
	Type               MsgchainType `json:"type"`
	TotalUsageIn       int64        `json:"total_usage_in"`
	TotalUsageOut      int64        `json:"total_usage_out"`
	TotalUsageCacheIn  int64        `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64        `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64      `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64      `json:"total_usage_cost_out"`
}

func (q *Queries) GetUsageStatsByTypeForFlow(ctx context.Context, flowID int64) ([]GetUsageStatsByTypeForFlowRow, error) {
	rows, err := q.db.QueryContext(ctx, getUsageStatsByTypeForFlow, flowID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUsageStatsByTypeForFlowRow
	for rows.Next() {
		var i GetUsageStatsByTypeForFlowRow
		if err := rows.Scan(
			&i.Type,
			&i.TotalUsageIn,
			&i.TotalUsageOut,
			&i.TotalUsageCacheIn,
			&i.TotalUsageCacheOut,
			&i.TotalUsageCostIn,
			&i.TotalUsageCostOut,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getUserTotalUsageStats = `-- name: GetUserTotalUsageStats :one
SELECT
  COALESCE(SUM(mc.usage_in), 0)::bigint AS total_usage_in,
  COALESCE(SUM(mc.usage_out), 0)::bigint AS total_usage_out,
  COALESCE(SUM(mc.usage_cache_in), 0)::bigint AS total_usage_cache_in,
  COALESCE(SUM(mc.usage_cache_out), 0)::bigint AS total_usage_cache_out,
  COALESCE(SUM(mc.usage_cost_in), 0.0)::double precision AS total_usage_cost_in,
  COALESCE(SUM(mc.usage_cost_out), 0.0)::double precision AS total_usage_cost_out
FROM msgchains mc
INNER JOIN flows f ON f.id = mc.flow_id
WHERE f.deleted_at IS NULL AND f.user_id = $1
`

type GetUserTotalUsageStatsRow struct {
	TotalUsageIn       int64   `json:"total_usage_in"`
	TotalUsageOut      int64   `json:"total_usage_out"`
	TotalUsageCacheIn  int64   `json:"total_usage_cache_in"`
	TotalUsageCacheOut int64   `json:"total_usage_cache_out"`
	TotalUsageCostIn   float64 `json:"total_usage_cost_in"`
	TotalUsageCostOut  float64 `json:"total_usage_cost_out"`
}

func (q *Queries) GetUserTotalUsageStats(ctx context.Context, userID int64) (GetUserTotalUsageStatsRow, error) {
	row := q.db.QueryRowContext(ctx, getUserTotalUsageStats, userID)
	var i GetUserTotalUsageStatsRow
	err := row.Scan(
		&i.TotalUsageIn,
		&i.TotalUsageOut,
		&i.TotalUsageCacheIn,
		&i.TotalUsageCacheOut,
		&i.TotalUsageCostIn,
		&i.TotalUsageCostOut,
	)
	return i, err
}

const updateMsgChain = `-- name: UpdateMsgChain :one
UPDATE msgchains
SET chain = $1, duration_seconds = duration_seconds + $2, model = $3, model_provider = $4
WHERE id = $5
RETURNING id, type, model, model_provider, usage_in, usage_out, chain, flow_id, task_id, subtask_id, created_at, updated_at, usage_cache_in, usage_cache_out, usage_cost_in, usage_cost_out, duration_seconds
`

type UpdateMsgChainParams struct {
	Chain           json.RawMessage `json:"chain"`
	DurationSeconds float64         `json:"duration_seconds"`
	Model           string          `json:"model"`
	ModelProvider   string          `json:"model_provider"`
	ID              int64           `json:"id"`
}

func (q *Queries) UpdateMsgChain(ctx context.Context, arg UpdateMsgChainParams) (Msgchain, error) {
	row := q.db.QueryRowContext(ctx, updateMsgChain,
		arg.Chain,
		arg.DurationSeconds,
		arg.Model,
		arg.ModelProvider,
		arg.ID,
	)
	var i Msgchain
	err := row.Scan(
		&i.ID,
		&i.Type,
		&i.Model,
		&i.ModelProvider,
		&i.UsageIn,
		&i.UsageOut,
		&i.Chain,
		&i.FlowID,
		&i.TaskID,
		&i.SubtaskID,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.UsageCacheIn,
		&i.UsageCacheOut,
		&i.UsageCostIn,
		&i.UsageCostOut,
		&i.DurationSeconds,
	)
	return i, err
}

const updateMsgChainUsage = `-- name: UpdateMsgChainUsage :one
UPDATE msgchains
SET 
  usage_in = usage_in + $1, 
  usage_out = usage_out + $2,
  usage_cache_in = usage_cache_in + $3,
  usage_cache_out = usage_cache_out + $4,
  usage_cost_in = usage_cost_in + $5,
  usage_cost_out = usage_cost_out + $6,
  duration_seconds = duration_seconds + $7
WHERE id = $8
RETURNING id, type, model, model_provider, usage_in, usage_out, chain, flow_id, task_id, subtask_id, created_at, updated_at, usage_cache_in, usage_cache_out, usage_cost_in, usage_cost_out, duration_seconds
`

type UpdateMsgChainUsageParams struct {
	UsageIn         int64   `json:"usage_in"`
	UsageOut        int64   `json:"usage_out"`
	UsageCacheIn    int64   `json:"usage_cache_in"`
	UsageCacheOut   int64   `json:"usage_cache_out"`
	UsageCostIn     float64 `json:"usage_cost_in"`
	UsageCostOut    float64 `json:"usage_cost_out"`
	DurationSeconds float64 `json:"duration_seconds"`
	ID              int64   `json:"id"`
}

func (q *Queries) UpdateMsgChainUsage(ctx context.Context, arg UpdateMsgChainUsageParams) (Msgchain, error) {
	row := q.db.QueryRowContext(ctx, updateMsgChainUsage,
		arg.UsageIn,
		arg.UsageOut,
		arg.UsageCacheIn,
		arg.UsageCacheOut,
		arg.UsageCostIn,
		arg.UsageCostOut,
		arg.DurationSeconds,
		arg.ID,
	)
	var i Msgchain
	err := row.Scan(
		&i.ID,
		&i.Type,
		&i.Model,
		&i.ModelProvider,
		&i.UsageIn,
		&i.UsageOut,
		&i.Chain,
		&i.FlowID,
		&i.TaskID,
		&i.SubtaskID,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.UsageCacheIn,
		&i.UsageCacheOut,
		&i.UsageCostIn,
		&i.UsageCostOut,
		&i.DurationSeconds,
	)
	return i, err
}
