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

package dbgen

import (
	"context"

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

const CreateCourse = `-- name: CreateCourse :one
INSERT INTO courses (
    category_id,
    title,
    description,
    thumbnail,
    intro_video_url,
    is_active
)
VALUES ($1, $2, $3, $4, $5, COALESCE($6, true))
RETURNING id, category_id, title, description, is_active, thumbnail, intro_video_url, display_order, sub_category_id
`

type CreateCourseParams struct {
	CategoryID    int64       `json:"category_id"`
	Title         string      `json:"title"`
	Description   pgtype.Text `json:"description"`
	Thumbnail     pgtype.Text `json:"thumbnail"`
	IntroVideoUrl pgtype.Text `json:"intro_video_url"`
	Column6       interface{} `json:"column_6"`
}

func (q *Queries) CreateCourse(ctx context.Context, arg CreateCourseParams) (Course, error) {
	row := q.db.QueryRow(ctx, CreateCourse,
		arg.CategoryID,
		arg.Title,
		arg.Description,
		arg.Thumbnail,
		arg.IntroVideoUrl,
		arg.Column6,
	)
	var i Course
	err := row.Scan(
		&i.ID,
		&i.CategoryID,
		&i.Title,
		&i.Description,
		&i.IsActive,
		&i.Thumbnail,
		&i.IntroVideoUrl,
		&i.DisplayOrder,
		&i.SubCategoryID,
	)
	return i, err
}

const DeleteCourse = `-- name: DeleteCourse :exec
DELETE FROM courses
WHERE id = $1
`

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

const GetAllCourses = `-- name: GetAllCourses :many
SELECT
    COUNT(*) OVER () AS total_count,
    c.id,
    c.category_id,
    c.sub_category_id,
    c.title,
    c.description,
    c.thumbnail,
    c.intro_video_url,
    c.is_active
FROM courses c
ORDER BY c.display_order ASC, c.id ASC
LIMIT $2::INT
OFFSET $1::INT
`

type GetAllCoursesParams struct {
	Offset pgtype.Int4 `json:"offset"`
	Limit  pgtype.Int4 `json:"limit"`
}

type GetAllCoursesRow struct {
	TotalCount    int64       `json:"total_count"`
	ID            int64       `json:"id"`
	CategoryID    int64       `json:"category_id"`
	SubCategoryID pgtype.Int8 `json:"sub_category_id"`
	Title         string      `json:"title"`
	Description   pgtype.Text `json:"description"`
	Thumbnail     pgtype.Text `json:"thumbnail"`
	IntroVideoUrl pgtype.Text `json:"intro_video_url"`
	IsActive      bool        `json:"is_active"`
}

func (q *Queries) GetAllCourses(ctx context.Context, arg GetAllCoursesParams) ([]GetAllCoursesRow, error) {
	rows, err := q.db.Query(ctx, GetAllCourses, arg.Offset, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetAllCoursesRow
	for rows.Next() {
		var i GetAllCoursesRow
		if err := rows.Scan(
			&i.TotalCount,
			&i.ID,
			&i.CategoryID,
			&i.SubCategoryID,
			&i.Title,
			&i.Description,
			&i.Thumbnail,
			&i.IntroVideoUrl,
			&i.IsActive,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const GetCourseByID = `-- name: GetCourseByID :one
SELECT id, category_id, title, description, is_active, thumbnail, intro_video_url, display_order, sub_category_id
FROM courses
WHERE id = $1
`

func (q *Queries) GetCourseByID(ctx context.Context, id int64) (Course, error) {
	row := q.db.QueryRow(ctx, GetCourseByID, id)
	var i Course
	err := row.Scan(
		&i.ID,
		&i.CategoryID,
		&i.Title,
		&i.Description,
		&i.IsActive,
		&i.Thumbnail,
		&i.IntroVideoUrl,
		&i.DisplayOrder,
		&i.SubCategoryID,
	)
	return i, err
}

const GetCoursesByCategory = `-- name: GetCoursesByCategory :many
SELECT
    COUNT(*) OVER () AS total_count,
    id,
    category_id,
    title,
    description,
    thumbnail,
    intro_video_url,
    is_active
FROM courses
WHERE category_id = $1
ORDER BY display_order ASC, id ASC
LIMIT $3::INT
OFFSET $2::INT
`

type GetCoursesByCategoryParams struct {
	CategoryID int64       `json:"category_id"`
	Offset     pgtype.Int4 `json:"offset"`
	Limit      pgtype.Int4 `json:"limit"`
}

type GetCoursesByCategoryRow struct {
	TotalCount    int64       `json:"total_count"`
	ID            int64       `json:"id"`
	CategoryID    int64       `json:"category_id"`
	Title         string      `json:"title"`
	Description   pgtype.Text `json:"description"`
	Thumbnail     pgtype.Text `json:"thumbnail"`
	IntroVideoUrl pgtype.Text `json:"intro_video_url"`
	IsActive      bool        `json:"is_active"`
}

func (q *Queries) GetCoursesByCategory(ctx context.Context, arg GetCoursesByCategoryParams) ([]GetCoursesByCategoryRow, error) {
	rows, err := q.db.Query(ctx, GetCoursesByCategory, arg.CategoryID, arg.Offset, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetCoursesByCategoryRow
	for rows.Next() {
		var i GetCoursesByCategoryRow
		if err := rows.Scan(
			&i.TotalCount,
			&i.ID,
			&i.CategoryID,
			&i.Title,
			&i.Description,
			&i.Thumbnail,
			&i.IntroVideoUrl,
			&i.IsActive,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const GetCoursesBySubCategory = `-- name: GetCoursesBySubCategory :many
SELECT
    COUNT(*) OVER () AS total_count,
    c.id,
    c.category_id,
    c.sub_category_id,
    c.title,
    c.description,
    c.thumbnail,
    c.intro_video_url,
    c.is_active
FROM courses c
WHERE c.sub_category_id = $1
ORDER BY c.display_order ASC, c.id ASC
LIMIT $3::INT
OFFSET $2::INT
`

type GetCoursesBySubCategoryParams struct {
	SubCategoryID pgtype.Int8 `json:"sub_category_id"`
	Offset        pgtype.Int4 `json:"offset"`
	Limit         pgtype.Int4 `json:"limit"`
}

type GetCoursesBySubCategoryRow struct {
	TotalCount    int64       `json:"total_count"`
	ID            int64       `json:"id"`
	CategoryID    int64       `json:"category_id"`
	SubCategoryID pgtype.Int8 `json:"sub_category_id"`
	Title         string      `json:"title"`
	Description   pgtype.Text `json:"description"`
	Thumbnail     pgtype.Text `json:"thumbnail"`
	IntroVideoUrl pgtype.Text `json:"intro_video_url"`
	IsActive      bool        `json:"is_active"`
}

func (q *Queries) GetCoursesBySubCategory(ctx context.Context, arg GetCoursesBySubCategoryParams) ([]GetCoursesBySubCategoryRow, error) {
	rows, err := q.db.Query(ctx, GetCoursesBySubCategory, arg.SubCategoryID, arg.Offset, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetCoursesBySubCategoryRow
	for rows.Next() {
		var i GetCoursesBySubCategoryRow
		if err := rows.Scan(
			&i.TotalCount,
			&i.ID,
			&i.CategoryID,
			&i.SubCategoryID,
			&i.Title,
			&i.Description,
			&i.Thumbnail,
			&i.IntroVideoUrl,
			&i.IsActive,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const GetHumanLanguageCourses = `-- name: GetHumanLanguageCourses :many
SELECT
    COUNT(*) OVER () AS total_count,
    c.id,
    c.category_id,
    c.sub_category_id,
    c.title,
    c.description,
    c.thumbnail,
    c.intro_video_url,
    c.is_active
FROM courses c
JOIN course_categories cc ON cc.id = c.category_id
WHERE lower(trim(cc.name)) = 'human language'
ORDER BY c.display_order ASC, c.id ASC
LIMIT $2::INT
OFFSET $1::INT
`

type GetHumanLanguageCoursesParams struct {
	Offset pgtype.Int4 `json:"offset"`
	Limit  pgtype.Int4 `json:"limit"`
}

type GetHumanLanguageCoursesRow struct {
	TotalCount    int64       `json:"total_count"`
	ID            int64       `json:"id"`
	CategoryID    int64       `json:"category_id"`
	SubCategoryID pgtype.Int8 `json:"sub_category_id"`
	Title         string      `json:"title"`
	Description   pgtype.Text `json:"description"`
	Thumbnail     pgtype.Text `json:"thumbnail"`
	IntroVideoUrl pgtype.Text `json:"intro_video_url"`
	IsActive      bool        `json:"is_active"`
}

func (q *Queries) GetHumanLanguageCourses(ctx context.Context, arg GetHumanLanguageCoursesParams) ([]GetHumanLanguageCoursesRow, error) {
	rows, err := q.db.Query(ctx, GetHumanLanguageCourses, arg.Offset, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetHumanLanguageCoursesRow
	for rows.Next() {
		var i GetHumanLanguageCoursesRow
		if err := rows.Scan(
			&i.TotalCount,
			&i.ID,
			&i.CategoryID,
			&i.SubCategoryID,
			&i.Title,
			&i.Description,
			&i.Thumbnail,
			&i.IntroVideoUrl,
			&i.IsActive,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const ReorderCourses = `-- name: ReorderCourses :exec
UPDATE courses
SET display_order = bulk.position
FROM (
    SELECT unnest($1::BIGINT[]) AS id, unnest($2::INT[]) AS position
) AS bulk
WHERE courses.id = bulk.id
`

type ReorderCoursesParams struct {
	Ids       []int64 `json:"ids"`
	Positions []int32 `json:"positions"`
}

func (q *Queries) ReorderCourses(ctx context.Context, arg ReorderCoursesParams) error {
	_, err := q.db.Exec(ctx, ReorderCourses, arg.Ids, arg.Positions)
	return err
}

const UpdateCourse = `-- name: UpdateCourse :exec
UPDATE courses
SET
    title = COALESCE($1, title),
    description = COALESCE($2, description),
    thumbnail = COALESCE($3, thumbnail),
    intro_video_url = COALESCE($4, intro_video_url),
    is_active = COALESCE($5, is_active)
WHERE id = $6
`

type UpdateCourseParams struct {
	Title         string      `json:"title"`
	Description   pgtype.Text `json:"description"`
	Thumbnail     pgtype.Text `json:"thumbnail"`
	IntroVideoUrl pgtype.Text `json:"intro_video_url"`
	IsActive      bool        `json:"is_active"`
	ID            int64       `json:"id"`
}

func (q *Queries) UpdateCourse(ctx context.Context, arg UpdateCourseParams) error {
	_, err := q.db.Exec(ctx, UpdateCourse,
		arg.Title,
		arg.Description,
		arg.Thumbnail,
		arg.IntroVideoUrl,
		arg.IsActive,
		arg.ID,
	)
	return err
}