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

package dbgen

import (
	"context"

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

const ExamPrepCreateUnitModuleLesson = `-- name: ExamPrepCreateUnitModuleLesson :one
INSERT INTO exam_prep.unit_module_lessons (unit_module_id, title, video_url, thumbnail, description, sort_order)
SELECT
    $1,
    $2,
    $3,
    $4,
    $5,
    coalesce((
        SELECT
            max(l.sort_order)
        FROM exam_prep.unit_module_lessons l
        WHERE
            l.unit_module_id = $1), 0) + 1
RETURNING
    id, unit_module_id, title, video_url, thumbnail, description, sort_order, created_at, updated_at
`

type ExamPrepCreateUnitModuleLessonParams struct {
	UnitModuleID int64       `json:"unit_module_id"`
	Title        string      `json:"title"`
	VideoUrl     pgtype.Text `json:"video_url"`
	Thumbnail    pgtype.Text `json:"thumbnail"`
	Description  pgtype.Text `json:"description"`
}

func (q *Queries) ExamPrepCreateUnitModuleLesson(ctx context.Context, arg ExamPrepCreateUnitModuleLessonParams) (ExamPrepUnitModuleLesson, error) {
	row := q.db.QueryRow(ctx, ExamPrepCreateUnitModuleLesson,
		arg.UnitModuleID,
		arg.Title,
		arg.VideoUrl,
		arg.Thumbnail,
		arg.Description,
	)
	var i ExamPrepUnitModuleLesson
	err := row.Scan(
		&i.ID,
		&i.UnitModuleID,
		&i.Title,
		&i.VideoUrl,
		&i.Thumbnail,
		&i.Description,
		&i.SortOrder,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const ExamPrepDeleteUnitModuleLesson = `-- name: ExamPrepDeleteUnitModuleLesson :exec
DELETE FROM exam_prep.unit_module_lessons
WHERE id = $1
`

func (q *Queries) ExamPrepDeleteUnitModuleLesson(ctx context.Context, id int64) error {
	_, err := q.db.Exec(ctx, ExamPrepDeleteUnitModuleLesson, id)
	return err
}

const ExamPrepGetUnitModuleLessonByID = `-- name: ExamPrepGetUnitModuleLessonByID :one
SELECT
    l.id, l.unit_module_id, l.title, l.video_url, l.thumbnail, l.description, l.sort_order, l.created_at, l.updated_at,
    EXISTS (
        SELECT 1
        FROM exam_prep.lesson_practices p
        WHERE p.unit_module_lesson_id = l.id
    ) AS has_practice
FROM exam_prep.unit_module_lessons l
WHERE l.id = $1
`

type ExamPrepGetUnitModuleLessonByIDRow struct {
	ID           int64              `json:"id"`
	UnitModuleID int64              `json:"unit_module_id"`
	Title        string             `json:"title"`
	VideoUrl     pgtype.Text        `json:"video_url"`
	Thumbnail    pgtype.Text        `json:"thumbnail"`
	Description  pgtype.Text        `json:"description"`
	SortOrder    int32              `json:"sort_order"`
	CreatedAt    pgtype.Timestamptz `json:"created_at"`
	UpdatedAt    pgtype.Timestamptz `json:"updated_at"`
	HasPractice  bool               `json:"has_practice"`
}

func (q *Queries) ExamPrepGetUnitModuleLessonByID(ctx context.Context, id int64) (ExamPrepGetUnitModuleLessonByIDRow, error) {
	row := q.db.QueryRow(ctx, ExamPrepGetUnitModuleLessonByID, id)
	var i ExamPrepGetUnitModuleLessonByIDRow
	err := row.Scan(
		&i.ID,
		&i.UnitModuleID,
		&i.Title,
		&i.VideoUrl,
		&i.Thumbnail,
		&i.Description,
		&i.SortOrder,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.HasPractice,
	)
	return i, err
}

const ExamPrepListUnitModuleLessonIDsByUnitModule = `-- name: ExamPrepListUnitModuleLessonIDsByUnitModule :many
SELECT
    l.id
FROM exam_prep.unit_module_lessons l
WHERE
    l.unit_module_id = $1
ORDER BY
    l.id
`

func (q *Queries) ExamPrepListUnitModuleLessonIDsByUnitModule(ctx context.Context, unitModuleID int64) ([]int64, error) {
	rows, err := q.db.Query(ctx, ExamPrepListUnitModuleLessonIDsByUnitModule, unitModuleID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []int64
	for rows.Next() {
		var id int64
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const ExamPrepListUnitModuleLessonsByUnitModuleID = `-- name: ExamPrepListUnitModuleLessonsByUnitModuleID :many
SELECT
    COUNT(*) OVER () AS total_count,
    l.id,
    l.unit_module_id,
    l.title,
    l.video_url,
    l.thumbnail,
    l.description,
    l.sort_order,
    EXISTS (
        SELECT 1
        FROM exam_prep.lesson_practices p
        WHERE p.unit_module_lesson_id = l.id
    ) AS has_practice,
    l.created_at,
    l.updated_at
FROM exam_prep.unit_module_lessons l
WHERE
    l.unit_module_id = $1
ORDER BY
    l.sort_order ASC,
    l.id ASC
LIMIT $2
OFFSET $3
`

type ExamPrepListUnitModuleLessonsByUnitModuleIDParams struct {
	UnitModuleID int64 `json:"unit_module_id"`
	Limit        int32 `json:"limit"`
	Offset       int32 `json:"offset"`
}

type ExamPrepListUnitModuleLessonsByUnitModuleIDRow struct {
	TotalCount   int64              `json:"total_count"`
	ID           int64              `json:"id"`
	UnitModuleID int64              `json:"unit_module_id"`
	Title        string             `json:"title"`
	VideoUrl     pgtype.Text        `json:"video_url"`
	Thumbnail    pgtype.Text        `json:"thumbnail"`
	Description  pgtype.Text        `json:"description"`
	SortOrder    int32              `json:"sort_order"`
	HasPractice  bool               `json:"has_practice"`
	CreatedAt    pgtype.Timestamptz `json:"created_at"`
	UpdatedAt    pgtype.Timestamptz `json:"updated_at"`
}

func (q *Queries) ExamPrepListUnitModuleLessonsByUnitModuleID(ctx context.Context, arg ExamPrepListUnitModuleLessonsByUnitModuleIDParams) ([]ExamPrepListUnitModuleLessonsByUnitModuleIDRow, error) {
	rows, err := q.db.Query(ctx, ExamPrepListUnitModuleLessonsByUnitModuleID, arg.UnitModuleID, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []ExamPrepListUnitModuleLessonsByUnitModuleIDRow
	for rows.Next() {
		var i ExamPrepListUnitModuleLessonsByUnitModuleIDRow
		if err := rows.Scan(
			&i.TotalCount,
			&i.ID,
			&i.UnitModuleID,
			&i.Title,
			&i.VideoUrl,
			&i.Thumbnail,
			&i.Description,
			&i.SortOrder,
			&i.HasPractice,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const ExamPrepUpdateUnitModuleLesson = `-- name: ExamPrepUpdateUnitModuleLesson :one
UPDATE exam_prep.unit_module_lessons
SET
    title = coalesce($1::varchar, title),
    video_url = coalesce($2::text, video_url),
    thumbnail = coalesce($3::text, thumbnail),
    description = coalesce($4::text, description),
    sort_order = coalesce($5::int, sort_order),
    updated_at = CURRENT_TIMESTAMP
WHERE id = $6
RETURNING
    id, unit_module_id, title, video_url, thumbnail, description, sort_order, created_at, updated_at
`

type ExamPrepUpdateUnitModuleLessonParams struct {
	Title       pgtype.Text `json:"title"`
	VideoUrl    pgtype.Text `json:"video_url"`
	Thumbnail   pgtype.Text `json:"thumbnail"`
	Description pgtype.Text `json:"description"`
	SortOrder   pgtype.Int4 `json:"sort_order"`
	ID          int64       `json:"id"`
}

func (q *Queries) ExamPrepUpdateUnitModuleLesson(ctx context.Context, arg ExamPrepUpdateUnitModuleLessonParams) (ExamPrepUnitModuleLesson, error) {
	row := q.db.QueryRow(ctx, ExamPrepUpdateUnitModuleLesson,
		arg.Title,
		arg.VideoUrl,
		arg.Thumbnail,
		arg.Description,
		arg.SortOrder,
		arg.ID,
	)
	var i ExamPrepUnitModuleLesson
	err := row.Scan(
		&i.ID,
		&i.UnitModuleID,
		&i.Title,
		&i.VideoUrl,
		&i.Thumbnail,
		&i.Description,
		&i.SortOrder,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}