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

package dbgen

import (
	"context"

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

const ExamPrepCreateUnitModule = `-- name: ExamPrepCreateUnitModule :one
INSERT INTO exam_prep.unit_modules (unit_id, name, description, thumbnail, icon, sort_order)
SELECT
    $1,
    $2,
    $3,
    $4,
    $5,
    coalesce((
        SELECT
            max(m.sort_order)
        FROM exam_prep.unit_modules m
        WHERE
            m.unit_id = $1), 0) + 1
RETURNING
    id, unit_id, name, description, thumbnail, icon, sort_order, created_at, updated_at
`

type ExamPrepCreateUnitModuleParams struct {
	UnitID      int64       `json:"unit_id"`
	Name        string      `json:"name"`
	Description pgtype.Text `json:"description"`
	Thumbnail   pgtype.Text `json:"thumbnail"`
	Icon        pgtype.Text `json:"icon"`
}

func (q *Queries) ExamPrepCreateUnitModule(ctx context.Context, arg ExamPrepCreateUnitModuleParams) (ExamPrepUnitModule, error) {
	row := q.db.QueryRow(ctx, ExamPrepCreateUnitModule,
		arg.UnitID,
		arg.Name,
		arg.Description,
		arg.Thumbnail,
		arg.Icon,
	)
	var i ExamPrepUnitModule
	err := row.Scan(
		&i.ID,
		&i.UnitID,
		&i.Name,
		&i.Description,
		&i.Thumbnail,
		&i.Icon,
		&i.SortOrder,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const ExamPrepDeleteUnitModule = `-- name: ExamPrepDeleteUnitModule :exec
DELETE FROM exam_prep.unit_modules
WHERE id = $1
`

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

const ExamPrepGetUnitModuleByID = `-- name: ExamPrepGetUnitModuleByID :one
SELECT
    m.id, m.unit_id, m.name, m.description, m.thumbnail, m.icon, m.sort_order, m.created_at, m.updated_at,
    EXISTS (
        SELECT 1
        FROM exam_prep.lesson_practices p
        INNER JOIN exam_prep.unit_module_lessons l ON l.id = p.unit_module_lesson_id
        WHERE l.unit_module_id = m.id
    ) AS has_practice
FROM exam_prep.unit_modules m
WHERE m.id = $1
`

type ExamPrepGetUnitModuleByIDRow struct {
	ID          int64              `json:"id"`
	UnitID      int64              `json:"unit_id"`
	Name        string             `json:"name"`
	Description pgtype.Text        `json:"description"`
	Thumbnail   pgtype.Text        `json:"thumbnail"`
	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) ExamPrepGetUnitModuleByID(ctx context.Context, id int64) (ExamPrepGetUnitModuleByIDRow, error) {
	row := q.db.QueryRow(ctx, ExamPrepGetUnitModuleByID, id)
	var i ExamPrepGetUnitModuleByIDRow
	err := row.Scan(
		&i.ID,
		&i.UnitID,
		&i.Name,
		&i.Description,
		&i.Thumbnail,
		&i.Icon,
		&i.SortOrder,
		&i.CreatedAt,
		&i.UpdatedAt,
		&i.HasPractice,
	)
	return i, err
}

const ExamPrepListUnitModuleIDsByUnit = `-- name: ExamPrepListUnitModuleIDsByUnit :many
SELECT
    m.id
FROM exam_prep.unit_modules m
WHERE
    m.unit_id = $1
ORDER BY
    m.id
`

func (q *Queries) ExamPrepListUnitModuleIDsByUnit(ctx context.Context, unitID int64) ([]int64, error) {
	rows, err := q.db.Query(ctx, ExamPrepListUnitModuleIDsByUnit, unitID)
	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 ExamPrepListUnitModulesByUnit = `-- name: ExamPrepListUnitModulesByUnit :many
WITH module_counts AS (
    SELECT
        m.id AS module_id,
        COUNT(DISTINCT l.id)::BIGINT AS lessons_count,
        COUNT(DISTINCT p.id)::BIGINT AS practices_count
    FROM exam_prep.unit_modules m
    LEFT JOIN exam_prep.unit_module_lessons l ON l.unit_module_id = m.id
    LEFT JOIN exam_prep.lesson_practices p ON p.unit_module_lesson_id = l.id
    GROUP BY m.id
)
SELECT
    COUNT(*) OVER () AS total_count,
    m.id,
    m.unit_id,
    m.name,
    m.description,
    m.thumbnail,
    m.icon,
    m.sort_order,
    COALESCE(mc.lessons_count, 0)::BIGINT AS lessons_count,
    COALESCE(mc.practices_count, 0)::BIGINT AS practices_count,
    (COALESCE(mc.practices_count, 0)::BIGINT > 0) AS has_practice,
    m.created_at,
    m.updated_at
FROM exam_prep.unit_modules m
LEFT JOIN module_counts mc ON mc.module_id = m.id
WHERE
    m.unit_id = $1
ORDER BY
    m.sort_order ASC,
    m.id ASC
LIMIT $2
OFFSET $3
`

type ExamPrepListUnitModulesByUnitParams struct {
	UnitID int64 `json:"unit_id"`
	Limit  int32 `json:"limit"`
	Offset int32 `json:"offset"`
}

type ExamPrepListUnitModulesByUnitRow struct {
	TotalCount     int64              `json:"total_count"`
	ID             int64              `json:"id"`
	UnitID         int64              `json:"unit_id"`
	Name           string             `json:"name"`
	Description    pgtype.Text        `json:"description"`
	Thumbnail      pgtype.Text        `json:"thumbnail"`
	Icon           pgtype.Text        `json:"icon"`
	SortOrder      int32              `json:"sort_order"`
	LessonsCount   int64              `json:"lessons_count"`
	PracticesCount int64              `json:"practices_count"`
	HasPractice    bool               `json:"has_practice"`
	CreatedAt      pgtype.Timestamptz `json:"created_at"`
	UpdatedAt      pgtype.Timestamptz `json:"updated_at"`
}

func (q *Queries) ExamPrepListUnitModulesByUnit(ctx context.Context, arg ExamPrepListUnitModulesByUnitParams) ([]ExamPrepListUnitModulesByUnitRow, error) {
	rows, err := q.db.Query(ctx, ExamPrepListUnitModulesByUnit, arg.UnitID, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []ExamPrepListUnitModulesByUnitRow
	for rows.Next() {
		var i ExamPrepListUnitModulesByUnitRow
		if err := rows.Scan(
			&i.TotalCount,
			&i.ID,
			&i.UnitID,
			&i.Name,
			&i.Description,
			&i.Thumbnail,
			&i.Icon,
			&i.SortOrder,
			&i.LessonsCount,
			&i.PracticesCount,
			&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 ExamPrepUpdateUnitModule = `-- name: ExamPrepUpdateUnitModule :one
UPDATE exam_prep.unit_modules
SET
    name = coalesce($1::varchar, name),
    description = coalesce($2::text, description),
    thumbnail = coalesce($3::text, thumbnail),
    icon = coalesce($4::text, icon),
    sort_order = coalesce($5::int, sort_order),
    updated_at = CURRENT_TIMESTAMP
WHERE id = $6
RETURNING
    id, unit_id, name, description, thumbnail, icon, sort_order, created_at, updated_at
`

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

func (q *Queries) ExamPrepUpdateUnitModule(ctx context.Context, arg ExamPrepUpdateUnitModuleParams) (ExamPrepUnitModule, error) {
	row := q.db.QueryRow(ctx, ExamPrepUpdateUnitModule,
		arg.Name,
		arg.Description,
		arg.Thumbnail,
		arg.Icon,
		arg.SortOrder,
		arg.ID,
	)
	var i ExamPrepUnitModule
	err := row.Scan(
		&i.ID,
		&i.UnitID,
		&i.Name,
		&i.Description,
		&i.Thumbnail,
		&i.Icon,
		&i.SortOrder,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}