<?php

declare(strict_types=1);

/**
 * Migration 001 — Création du schéma principal de l'application.
 *
 * Cette baseline remplace l'historique détaillé des migrations tant que
 * le projet est encore en développement et qu'aucune donnée n'est à conserver.
 */
return [
    'up' => "
        CREATE TABLE IF NOT EXISTS users (
            id            INTEGER PRIMARY KEY AUTOINCREMENT,
            username      TEXT UNIQUE NOT NULL,
            email         TEXT UNIQUE NOT NULL,
            password_hash TEXT NOT NULL,
            role          TEXT NOT NULL DEFAULT 'user',
            created_at    DATETIME DEFAULT CURRENT_TIMESTAMP
        );

        CREATE TABLE IF NOT EXISTS categories (
            id   INTEGER PRIMARY KEY AUTOINCREMENT,
            name TEXT UNIQUE NOT NULL,
            slug TEXT UNIQUE NOT NULL
        );

        CREATE TABLE IF NOT EXISTS posts (
            id          INTEGER PRIMARY KEY AUTOINCREMENT,
            title       TEXT NOT NULL,
            content     TEXT NOT NULL,
            slug        TEXT UNIQUE NOT NULL DEFAULT '',
            author_id   INTEGER REFERENCES users(id) ON DELETE SET NULL,
            category_id INTEGER REFERENCES categories(id) ON DELETE SET NULL,
            created_at  DATETIME DEFAULT CURRENT_TIMESTAMP,
            updated_at  DATETIME DEFAULT CURRENT_TIMESTAMP
        );
        CREATE INDEX IF NOT EXISTS idx_posts_author_id ON posts(author_id);

        CREATE TABLE IF NOT EXISTS media (
            id         INTEGER PRIMARY KEY AUTOINCREMENT,
            filename   TEXT NOT NULL,
            url        TEXT NOT NULL,
            hash       TEXT NOT NULL,
            user_id    INTEGER REFERENCES users(id) ON DELETE SET NULL,
            created_at DATETIME DEFAULT CURRENT_TIMESTAMP
        );
        CREATE INDEX IF NOT EXISTS idx_media_user_id ON media(user_id);
        CREATE INDEX IF NOT EXISTS idx_media_hash_user_id ON media(hash, user_id);

        CREATE TABLE IF NOT EXISTS password_resets (
            id         INTEGER PRIMARY KEY AUTOINCREMENT,
            user_id    INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
            token_hash TEXT NOT NULL UNIQUE,
            expires_at DATETIME NOT NULL,
            used_at    DATETIME DEFAULT NULL,
            created_at DATETIME DEFAULT CURRENT_TIMESTAMP
        );

        CREATE TABLE IF NOT EXISTS login_attempts (
            ip           TEXT NOT NULL PRIMARY KEY,
            attempts     INTEGER NOT NULL DEFAULT 0,
            locked_until TEXT DEFAULT NULL,
            updated_at   TEXT NOT NULL DEFAULT (datetime('now'))
        );
    ",

    'down' => "
        DROP TABLE IF EXISTS login_attempts;
        DROP TABLE IF EXISTS password_resets;
        DROP INDEX IF EXISTS idx_media_hash_user_id;
        DROP INDEX IF EXISTS idx_media_user_id;
        DROP TABLE IF EXISTS media;
        DROP INDEX IF EXISTS idx_posts_author_id;
        DROP TABLE IF EXISTS posts;
        DROP TABLE IF EXISTS categories;
        DROP TABLE IF EXISTS users;
    ",
];