-- name: ExamPrepCreateLessonPractice :one
INSERT INTO exam_prep.lesson_practices (
    unit_module_lesson_id,
    title,
    story_description,
    story_image,
    persona_id,
    question_set_id,
    quick_tips
) VALUES ($1, $2, $3, $4, $5, $6, $7)
RETURNING *;

-- name: ExamPrepGetLessonPracticeByID :one
SELECT *
FROM exam_prep.lesson_practices
WHERE id = $1;

-- name: ExamPrepListLessonPracticesByLessonID :many
SELECT
    COUNT(*) OVER () AS total_count,
    p.id,
    p.unit_module_lesson_id,
    p.title,
    p.story_description,
    p.story_image,
    p.persona_id,
    p.question_set_id,
    p.quick_tips,
    p.created_at,
    p.updated_at
FROM exam_prep.lesson_practices p
WHERE p.unit_module_lesson_id = $1
ORDER BY p.created_at DESC
LIMIT $2
OFFSET $3;

-- name: ExamPrepUpdateLessonPractice :one
UPDATE exam_prep.lesson_practices
SET
    title = coalesce(sqlc.narg('title')::varchar, title),
    story_description = coalesce(sqlc.narg('story_description')::text, story_description),
    story_image = coalesce(sqlc.narg('story_image')::text, story_image),
    persona_id = coalesce(sqlc.narg('persona_id')::bigint, persona_id),
    question_set_id = coalesce(sqlc.narg('question_set_id')::bigint, question_set_id),
    quick_tips = coalesce(sqlc.narg('quick_tips')::text, quick_tips),
    updated_at = CURRENT_TIMESTAMP
WHERE id = sqlc.arg('id')
RETURNING *;

-- name: ExamPrepDeleteLessonPractice :exec
DELETE FROM exam_prep.lesson_practices
WHERE id = $1;