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

package dbgen

import (
	"context"

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

const CreateModule = `-- name: CreateModule :one
INSERT INTO modules (program_id, course_id, name, description, icon, sort_order)
SELECT
    $1,
    $2,
    $3,
    $4,
    $5,
    coalesce((
        SELECT
            max(m.sort_order)
        FROM modules m
        WHERE
            m.course_id = $2), 0) + 1
RETURNING
    id, program_id, course_id, name, description, icon, created_at, updated_at, sort_order
`

type CreateModuleParams struct {
	ProgramID   int64       `json:"program_id"`
	CourseID    int64       `json:"course_id"`
	Name        string      `json:"name"`
	Description pgtype.Text `json:"description"`
	Icon        pgtype.Text `json:"icon"`
}

func (q *Queries) CreateModule(ctx context.Context, arg CreateModuleParams) (Module, error) {
	row := q.db.QueryRow(ctx, CreateModule,
		arg.ProgramID,
		arg.CourseID,
		arg.Name,
		arg.Description,
		arg.Icon,
	)
	var i Module
	err := row.Scan(
		&i.ID,
		&i.ProgramID,
		&i.CourseID,
		&i.Name,
		&i.Description,
		&i.Icon,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.SortOrder,
	)
	return i, err
}

const DeleteModule = `-- name: DeleteModule :exec
DELETE FROM modules
WHERE id = $1
`

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

const GetModuleByID = `-- name: GetModuleByID :one
SELECT
    m.id, m.program_id, m.course_id, m.name, m.description, m.icon, m.created_at, m.updated_at, m.sort_order,
    EXISTS (
        SELECT 1
        FROM lms_practices p
        WHERE p.module_id = m.id
          AND p.lesson_id IS NULL
    ) AS has_practice
FROM modules
    m
WHERE m.id = $1
`

type GetModuleByIDRow struct {
	ID          int64              `json:"id"`
	ProgramID   int64              `json:"program_id"`
	CourseID    int64              `json:"course_id"`
	Name        string             `json:"name"`
	Description pgtype.Text        `json:"description"`
	Icon        pgtype.Text        `json:"icon"`
	CreatedAt   pgtype.Timestamptz `json:"created_at"`
	UpdatedAt   pgtype.Timestamptz `json:"updated_at"`
	SortOrder   int32              `json:"sort_order"`
	HasPractice bool               `json:"has_practice"`
}

func (q *Queries) GetModuleByID(ctx context.Context, id int64) (GetModuleByIDRow, error) {
	row := q.db.QueryRow(ctx, GetModuleByID, id)
	var i GetModuleByIDRow
	err := row.Scan(
		&i.ID,
		&i.ProgramID,
		&i.CourseID,
		&i.Name,
		&i.Description,
		&i.Icon,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.SortOrder,
		&i.HasPractice,
	)
	return i, err
}

const ListModuleIDsByCourse = `-- name: ListModuleIDsByCourse :many
SELECT
    m.id
FROM
    modules AS m
WHERE
    m.course_id = $1
ORDER BY
    m.id
`

func (q *Queries) ListModuleIDsByCourse(ctx context.Context, courseID int64) ([]int64, error) {
	rows, err := q.db.Query(ctx, ListModuleIDsByCourse, courseID)
	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 ListModulesByProgramAndCourse = `-- name: ListModulesByProgramAndCourse :many
SELECT
    COUNT(*) OVER () AS total_count,
    m.id,
    m.program_id,
    m.course_id,
    m.name,
    m.description,
    m.icon,
    m.sort_order,
    m.created_at,
    m.updated_at,
    EXISTS (
        SELECT 1
        FROM lms_practices p
        WHERE p.module_id = m.id
          AND p.lesson_id IS NULL
    ) AS has_practice
FROM
    modules m
WHERE
    m.program_id = $1
    AND m.course_id = $2
ORDER BY
    m.sort_order ASC,
    m.id ASC
LIMIT $3
OFFSET $4
`

type ListModulesByProgramAndCourseParams struct {
	ProgramID int64 `json:"program_id"`
	CourseID  int64 `json:"course_id"`
	Limit     int32 `json:"limit"`
	Offset    int32 `json:"offset"`
}

type ListModulesByProgramAndCourseRow struct {
	TotalCount  int64              `json:"total_count"`
	ID          int64              `json:"id"`
	ProgramID   int64              `json:"program_id"`
	CourseID    int64              `json:"course_id"`
	Name        string             `json:"name"`
	Description pgtype.Text        `json:"description"`
	Icon        pgtype.Text        `json:"icon"`
	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) ListModulesByProgramAndCourse(ctx context.Context, arg ListModulesByProgramAndCourseParams) ([]ListModulesByProgramAndCourseRow, error) {
	rows, err := q.db.Query(ctx, ListModulesByProgramAndCourse,
		arg.ProgramID,
		arg.CourseID,
		arg.Limit,
		arg.Offset,
	)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []ListModulesByProgramAndCourseRow
	for rows.Next() {
		var i ListModulesByProgramAndCourseRow
		if err := rows.Scan(
			&i.TotalCount,
			&i.ID,
			&i.ProgramID,
			&i.CourseID,
			&i.Name,
			&i.Description,
			&i.Icon,
			&i.SortOrder,
			&i.CreatedAt,
			&i.UpdatedAt,
			&i.HasPractice,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const UpdateModule = `-- name: UpdateModule :one
UPDATE modules
SET
    name = COALESCE($1::varchar, name),
    description = COALESCE($2::text, description),
    icon = COALESCE($3::text, icon),
    sort_order = coalesce($4::int, sort_order),
    updated_at = CURRENT_TIMESTAMP
WHERE
    id = $5
RETURNING
    id, program_id, course_id, name, description, icon, created_at, updated_at, sort_order
`

type UpdateModuleParams struct {
	Name        pgtype.Text `json:"name"`
	Description pgtype.Text `json:"description"`
	Icon        pgtype.Text `json:"icon"`
	SortOrder   pgtype.Int4 `json:"sort_order"`
	ID          int64       `json:"id"`
}

func (q *Queries) UpdateModule(ctx context.Context, arg UpdateModuleParams) (Module, error) {
	row := q.db.QueryRow(ctx, UpdateModule,
		arg.Name,
		arg.Description,
		arg.Icon,
		arg.SortOrder,
		arg.ID,
	)
	var i Module
	err := row.Scan(
		&i.ID,
		&i.ProgramID,
		&i.CourseID,
		&i.Name,
		&i.Description,
		&i.Icon,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.SortOrder,
	)
	return i, err
}