//! Per-page persistence. Mirrors the rows that `pages` holds.

use sqlx::PgPool;
use uuid::Uuid;

use crate::domain::Page;
use crate::error::AppResult;

pub async fn create(
    pool: &PgPool,
    chapter_id: Uuid,
    page_number: i32,
    storage_key: &str,
    content_type: &str,
) -> AppResult<Page> {
    let row = sqlx::query_as::<_, Page>(
        r#"
        INSERT INTO pages (chapter_id, page_number, storage_key, content_type)
        VALUES ($1, $2, $3, $4)
        RETURNING id, chapter_id, page_number, storage_key, content_type
        "#,
    )
    .bind(chapter_id)
    .bind(page_number)
    .bind(storage_key)
    .bind(content_type)
    .fetch_one(pool)
    .await?;
    Ok(row)
}

pub async fn list_for_chapter(pool: &PgPool, chapter_id: Uuid) -> AppResult<Vec<Page>> {
    let rows = sqlx::query_as::<_, Page>(
        r#"
        SELECT id, chapter_id, page_number, storage_key, content_type
        FROM pages
        WHERE chapter_id = $1
        ORDER BY page_number ASC
        "#,
    )
    .bind(chapter_id)
    .fetch_all(pool)
    .await?;
    Ok(rows)
}