// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.31.1
// source: runtime_usage.sql

package db

import (
	"context"

	"github.com/jackc/pgx/v5/pgtype"
)

const getRuntimeTaskHourlyActivity = `-- name: GetRuntimeTaskHourlyActivity :many
SELECT EXTRACT(HOUR FROM started_at AT TIME ZONE $2::text)::int AS hour,
       COUNT(*)::int AS count
FROM agent_task_queue
WHERE runtime_id = $1 AND started_at IS NOT NULL
GROUP BY hour
ORDER BY hour
`

type GetRuntimeTaskHourlyActivityParams struct {
	RuntimeID pgtype.UUID `json:"runtime_id"`
	Tz        string      `json:"tz"`
}

type GetRuntimeTaskHourlyActivityRow struct {
	Hour  int32 `json:"hour"`
	Count int32 `json:"count"`
}

// Hour-of-day distribution for queue starts. Bucketed in the viewer's
// tz so "this runtime is busy in the afternoon" actually means
// the operator's afternoon, not UTC's.
func (q *Queries) GetRuntimeTaskHourlyActivity(ctx context.Context, arg GetRuntimeTaskHourlyActivityParams) ([]GetRuntimeTaskHourlyActivityRow, error) {
	rows, err := q.db.Query(ctx, getRuntimeTaskHourlyActivity, arg.RuntimeID, arg.Tz)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []GetRuntimeTaskHourlyActivityRow{}
	for rows.Next() {
		var i GetRuntimeTaskHourlyActivityRow
		if err := rows.Scan(&i.Hour, &i.Count); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getRuntimeUsageByHour = `-- name: GetRuntimeUsageByHour :many
SELECT
    EXTRACT(HOUR FROM tu.created_at AT TIME ZONE $2::text)::int AS hour,
    tu.model,
    SUM(tu.input_tokens)::bigint AS input_tokens,
    SUM(tu.output_tokens)::bigint AS output_tokens,
    SUM(tu.cache_read_tokens)::bigint AS cache_read_tokens,
    SUM(tu.cache_write_tokens)::bigint AS cache_write_tokens,
    COUNT(DISTINCT tu.task_id)::int AS task_count
FROM task_usage tu
JOIN agent_task_queue atq ON atq.id = tu.task_id
WHERE atq.runtime_id = $1
  AND tu.created_at >= $3::timestamptz
GROUP BY EXTRACT(HOUR FROM tu.created_at AT TIME ZONE $2::text), tu.model
ORDER BY hour, tu.model
`

type GetRuntimeUsageByHourParams struct {
	RuntimeID pgtype.UUID        `json:"runtime_id"`
	Tz        string             `json:"tz"`
	Since     pgtype.Timestamptz `json:"since"`
}

type GetRuntimeUsageByHourRow struct {
	Hour             int32  `json:"hour"`
	Model            string `json:"model"`
	InputTokens      int64  `json:"input_tokens"`
	OutputTokens     int64  `json:"output_tokens"`
	CacheReadTokens  int64  `json:"cache_read_tokens"`
	CacheWriteTokens int64  `json:"cache_write_tokens"`
	TaskCount        int32  `json:"task_count"`
}

// Per-(hour, model) token aggregates (hour ∈ 0..23) for a runtime since a
// cutoff. Powers the "By hour" tab — shows when in the day this runtime is
// doing real work, with model preserved for client-side cost calculation
// (same reason as ListRuntimeUsageByAgent above). Hours with zero activity
// are omitted; the client fills the 24-bucket axis.
//
// Hours are extracted in the viewer's tz via @tz so afternoon
// work bucketed at UTC 06:00 lands in 14:00 for a UTC+8 viewer.
func (q *Queries) GetRuntimeUsageByHour(ctx context.Context, arg GetRuntimeUsageByHourParams) ([]GetRuntimeUsageByHourRow, error) {
	rows, err := q.db.Query(ctx, getRuntimeUsageByHour, arg.RuntimeID, arg.Tz, arg.Since)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []GetRuntimeUsageByHourRow{}
	for rows.Next() {
		var i GetRuntimeUsageByHourRow
		if err := rows.Scan(
			&i.Hour,
			&i.Model,
			&i.InputTokens,
			&i.OutputTokens,
			&i.CacheReadTokens,
			&i.CacheWriteTokens,
			&i.TaskCount,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listRuntimeUsage = `-- name: ListRuntimeUsage :many
SELECT
    DATE(bucket_hour AT TIME ZONE $2::text) AS date,
    provider,
    model,
    SUM(input_tokens)::bigint        AS input_tokens,
    SUM(output_tokens)::bigint       AS output_tokens,
    SUM(cache_read_tokens)::bigint   AS cache_read_tokens,
    SUM(cache_write_tokens)::bigint  AS cache_write_tokens
FROM task_usage_hourly
WHERE runtime_id = $1
  AND bucket_hour >= $3::timestamptz
GROUP BY DATE(bucket_hour AT TIME ZONE $2::text), provider, model
ORDER BY DATE(bucket_hour AT TIME ZONE $2::text) DESC, provider, model
`

type ListRuntimeUsageParams struct {
	RuntimeID pgtype.UUID        `json:"runtime_id"`
	Tz        string             `json:"tz"`
	Since     pgtype.Timestamptz `json:"since"`
}

type ListRuntimeUsageRow struct {
	Date             pgtype.Date `json:"date"`
	Provider         string      `json:"provider"`
	Model            string      `json:"model"`
	InputTokens      int64       `json:"input_tokens"`
	OutputTokens     int64       `json:"output_tokens"`
	CacheReadTokens  int64       `json:"cache_read_tokens"`
	CacheWriteTokens int64       `json:"cache_write_tokens"`
}

// Reads from the UTC-bucketed `task_usage_hourly` rollup table,
// aggregated to per-(date, provider, model) under the
// caller-supplied @tz. Powers the trend chart on the runtime detail
// page and the per-row cost cell on the runtimes list.
//
// @tz is required, even if the caller intends "UTC", so the bucket
// cast is unambiguous — `bucket_hour` is UTC and the caller picks the
// calendar boundary per request.
func (q *Queries) ListRuntimeUsage(ctx context.Context, arg ListRuntimeUsageParams) ([]ListRuntimeUsageRow, error) {
	rows, err := q.db.Query(ctx, listRuntimeUsage, arg.RuntimeID, arg.Tz, arg.Since)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []ListRuntimeUsageRow{}
	for rows.Next() {
		var i ListRuntimeUsageRow
		if err := rows.Scan(
			&i.Date,
			&i.Provider,
			&i.Model,
			&i.InputTokens,
			&i.OutputTokens,
			&i.CacheReadTokens,
			&i.CacheWriteTokens,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listRuntimeUsageByAgent = `-- name: ListRuntimeUsageByAgent :many
SELECT
    atq.agent_id,
    tu.model,
    SUM(tu.input_tokens)::bigint AS input_tokens,
    SUM(tu.output_tokens)::bigint AS output_tokens,
    SUM(tu.cache_read_tokens)::bigint AS cache_read_tokens,
    SUM(tu.cache_write_tokens)::bigint AS cache_write_tokens,
    COUNT(DISTINCT tu.task_id)::int AS task_count
FROM task_usage tu
JOIN agent_task_queue atq ON atq.id = tu.task_id
WHERE atq.runtime_id = $1
  AND tu.created_at >= $2::timestamptz
GROUP BY atq.agent_id, tu.model
ORDER BY atq.agent_id, tu.model
`

type ListRuntimeUsageByAgentParams struct {
	RuntimeID pgtype.UUID        `json:"runtime_id"`
	Since     pgtype.Timestamptz `json:"since"`
}

type ListRuntimeUsageByAgentRow struct {
	AgentID          pgtype.UUID `json:"agent_id"`
	Model            string      `json:"model"`
	InputTokens      int64       `json:"input_tokens"`
	OutputTokens     int64       `json:"output_tokens"`
	CacheReadTokens  int64       `json:"cache_read_tokens"`
	CacheWriteTokens int64       `json:"cache_write_tokens"`
	TaskCount        int32       `json:"task_count"`
}

// Per-(agent, model) token aggregates for a runtime since a cutoff. Powers
// the runtime-detail "Cost by agent" tab. task_usage only carries task_id,
// so we join the queue to expose agent_id. The model dimension is kept on
// purpose: cost is computed client-side from a per-model pricing table, so
// collapsing models server-side would erase the information needed to do
// that arithmetic. The client groups by agent_id and sums cost per agent.
//
// This view doesn't bucket by date, so it doesn't need @tz; only the
// @since cutoff is provided in runtime-local terms (computed in Go).
func (q *Queries) ListRuntimeUsageByAgent(ctx context.Context, arg ListRuntimeUsageByAgentParams) ([]ListRuntimeUsageByAgentRow, error) {
	rows, err := q.db.Query(ctx, listRuntimeUsageByAgent, arg.RuntimeID, arg.Since)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []ListRuntimeUsageByAgentRow{}
	for rows.Next() {
		var i ListRuntimeUsageByAgentRow
		if err := rows.Scan(
			&i.AgentID,
			&i.Model,
			&i.InputTokens,
			&i.OutputTokens,
			&i.CacheReadTokens,
			&i.CacheWriteTokens,
			&i.TaskCount,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}
