// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.30.0
// source: interest.sql

package repository

import (
	"context"
	"time"
)

const getGroupedListensFromArtist = `-- name: GetGroupedListensFromArtist :many
WITH bounds AS (
    SELECT
        MIN(l.listened_at) AS start_time,
        NOW() AS end_time
    FROM listens l
    JOIN tracks t ON t.id = l.track_id
    JOIN artist_tracks at ON at.track_id = t.id
    WHERE at.artist_id = $1
),
stats AS (
    SELECT
        start_time,
        end_time,
        EXTRACT(EPOCH FROM (end_time - start_time)) AS total_seconds,
        ((end_time - start_time) / $2::int) AS bucket_interval
    FROM bounds
),
bucket_series AS (
    SELECT generate_series(0, $2::int - 1) AS idx
),
listen_indices AS (
    SELECT
        LEAST(
            $2::int - 1,
            FLOOR(
                (EXTRACT(EPOCH FROM (l.listened_at - s.start_time)) / NULLIF(s.total_seconds, 0))
                * $2::int
            )::int
        ) AS bucket_idx
    FROM listens l
    JOIN tracks t ON t.id = l.track_id
    JOIN artist_tracks at ON at.track_id = t.id
    CROSS JOIN stats s
    WHERE at.artist_id = $1
      AND s.start_time IS NOT NULL
)
SELECT
    (s.start_time + (s.bucket_interval * bs.idx))::timestamptz AS bucket_start,
    (s.start_time + (s.bucket_interval * (bs.idx + 1)))::timestamptz AS bucket_end,
    COUNT(li.bucket_idx) AS listen_count
FROM bucket_series bs
CROSS JOIN stats s
LEFT JOIN listen_indices li ON bs.idx = li.bucket_idx
WHERE s.start_time IS NOT NULL
GROUP BY bs.idx, s.start_time, s.bucket_interval
ORDER BY bs.idx
`

type GetGroupedListensFromArtistParams struct {
	ArtistID    int32
	BucketCount int32
}

type GetGroupedListensFromArtistRow struct {
	BucketStart time.Time
	BucketEnd   time.Time
	ListenCount int64
}

func (q *Queries) GetGroupedListensFromArtist(ctx context.Context, arg GetGroupedListensFromArtistParams) ([]GetGroupedListensFromArtistRow, error) {
	rows, err := q.db.Query(ctx, getGroupedListensFromArtist, arg.ArtistID, arg.BucketCount)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetGroupedListensFromArtistRow
	for rows.Next() {
		var i GetGroupedListensFromArtistRow
		if err := rows.Scan(&i.BucketStart, &i.BucketEnd, &i.ListenCount); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getGroupedListensFromRelease = `-- name: GetGroupedListensFromRelease :many
WITH bounds AS (
    SELECT
        MIN(l.listened_at) AS start_time,
        NOW() AS end_time
    FROM listens l
    JOIN tracks t ON t.id = l.track_id
    WHERE t.release_id = $1
),
stats AS (
    SELECT
        start_time,
        end_time,
        EXTRACT(EPOCH FROM (end_time - start_time)) AS total_seconds,
        ((end_time - start_time) / $2::int) AS bucket_interval
    FROM bounds
),
bucket_series AS (
    SELECT generate_series(0, $2::int - 1) AS idx
),
listen_indices AS (
    SELECT
        LEAST(
            $2::int - 1,
            FLOOR(
                (EXTRACT(EPOCH FROM (l.listened_at - s.start_time)) / NULLIF(s.total_seconds, 0))
                * $2::int
            )::int
        ) AS bucket_idx
    FROM listens l
    JOIN tracks t ON t.id = l.track_id
    CROSS JOIN stats s
    WHERE t.release_id = $1
      AND s.start_time IS NOT NULL
)
SELECT
    (s.start_time + (s.bucket_interval * bs.idx))::timestamptz AS bucket_start,
    (s.start_time + (s.bucket_interval * (bs.idx + 1)))::timestamptz AS bucket_end,
    COUNT(li.bucket_idx) AS listen_count
FROM bucket_series bs
CROSS JOIN stats s
LEFT JOIN listen_indices li ON bs.idx = li.bucket_idx
WHERE s.start_time IS NOT NULL
GROUP BY bs.idx, s.start_time, s.bucket_interval
ORDER BY bs.idx
`

type GetGroupedListensFromReleaseParams struct {
	ReleaseID   int32
	BucketCount int32
}

type GetGroupedListensFromReleaseRow struct {
	BucketStart time.Time
	BucketEnd   time.Time
	ListenCount int64
}

func (q *Queries) GetGroupedListensFromRelease(ctx context.Context, arg GetGroupedListensFromReleaseParams) ([]GetGroupedListensFromReleaseRow, error) {
	rows, err := q.db.Query(ctx, getGroupedListensFromRelease, arg.ReleaseID, arg.BucketCount)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetGroupedListensFromReleaseRow
	for rows.Next() {
		var i GetGroupedListensFromReleaseRow
		if err := rows.Scan(&i.BucketStart, &i.BucketEnd, &i.ListenCount); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getGroupedListensFromTrack = `-- name: GetGroupedListensFromTrack :many
WITH bounds AS (
    SELECT
        MIN(l.listened_at) AS start_time,
        NOW() AS end_time
    FROM listens l
    JOIN tracks t ON t.id = l.track_id
    WHERE t.id = $1
),
stats AS (
    SELECT
        start_time,
        end_time,
        EXTRACT(EPOCH FROM (end_time - start_time)) AS total_seconds,
        ((end_time - start_time) / $2::int) AS bucket_interval
    FROM bounds
),
bucket_series AS (
    SELECT generate_series(0, $2::int - 1) AS idx
),
listen_indices AS (
    SELECT
        LEAST(
            $2::int - 1,
            FLOOR(
                (EXTRACT(EPOCH FROM (l.listened_at - s.start_time)) / NULLIF(s.total_seconds, 0))
                * $2::int
            )::int
        ) AS bucket_idx
    FROM listens l
    JOIN tracks t ON t.id = l.track_id
    CROSS JOIN stats s
    WHERE t.id = $1
      AND s.start_time IS NOT NULL
)
SELECT
    (s.start_time + (s.bucket_interval * bs.idx))::timestamptz AS bucket_start,
    (s.start_time + (s.bucket_interval * (bs.idx + 1)))::timestamptz AS bucket_end,
    COUNT(li.bucket_idx) AS listen_count
FROM bucket_series bs
CROSS JOIN stats s
LEFT JOIN listen_indices li ON bs.idx = li.bucket_idx
WHERE s.start_time IS NOT NULL
GROUP BY bs.idx, s.start_time, s.bucket_interval
ORDER BY bs.idx
`

type GetGroupedListensFromTrackParams struct {
	ID          int32
	BucketCount int32
}

type GetGroupedListensFromTrackRow struct {
	BucketStart time.Time
	BucketEnd   time.Time
	ListenCount int64
}

func (q *Queries) GetGroupedListensFromTrack(ctx context.Context, arg GetGroupedListensFromTrackParams) ([]GetGroupedListensFromTrackRow, error) {
	rows, err := q.db.Query(ctx, getGroupedListensFromTrack, arg.ID, arg.BucketCount)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetGroupedListensFromTrackRow
	for rows.Next() {
		var i GetGroupedListensFromTrackRow
		if err := rows.Scan(&i.BucketStart, &i.BucketEnd, &i.ListenCount); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}