<?php

namespace Miniflux\Schema;

use PDO;
use Miniflux\Helper;

const VERSION = 1;

function version_1(PDO $pdo)
{
    $pdo->exec('CREATE TABLE users (
        id INTEGER PRIMARY KEY,
        username TEXT UNIQUE,
        password TEXT NOT NULL,
        is_admin INTEGER DEFAULT 0,
        last_login INTEGER,
        api_token TEXT NOT NULL UNIQUE,
        bookmarklet_token TEXT NOT NULL UNIQUE,
        cronjob_token TEXT NOT NULL UNIQUE,
        feed_token TEXT NOT NULL UNIQUE,
        fever_token TEXT NOT NULL UNIQUE,
        fever_api_key TEXT NOT NULL UNIQUE
    )');

    $pdo->exec('CREATE TABLE user_settings (
        "user_id" INTEGER NOT NULL,
        "key" TEXT NOT NULL,
        "value" TEXT NOT NULL,
        PRIMARY KEY("user_id", "key"),
        FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
    )');

    $pdo->exec('CREATE TABLE feeds (
        id INTEGER PRIMARY KEY,
        user_id INTEGER NOT NULL,
        feed_url TEXT NOT NULL,
        site_url TEXT,
        title TEXT COLLATE NOCASE,
        last_checked INTEGER DEFAULT 0,
        last_modified TEXT,
        etag TEXT,
        enabled INTEGER DEFAULT 1,
        download_content INTEGER DEFAULT 0,
        parsing_error INTEGER DEFAULT 0,
        rtl INTEGER DEFAULT 0,
        cloak_referrer INTEGER DEFAULT 0,
        FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE,
        UNIQUE(user_id, feed_url)
    )');

    $pdo->exec('CREATE TABLE items (
        id INTEGER PRIMARY KEY,
        user_id INTEGER NOT NULL,
        feed_id INTEGER NOT NULL,
        checksum TEXT NOT NULL,
        status TEXT,
        bookmark INTEGER DEFAULT 0,
        url TEXT,
        title TEXT COLLATE NOCASE,
        author TEXT,
        content TEXT,
        updated INTEGER,
        enclosure_url TEXT,
        enclosure_type TEXT,
        language TEXT,
        rtl INTEGER DEFAULT 0,
        FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE,
        FOREIGN KEY(feed_id) REFERENCES feeds(id) ON DELETE CASCADE,
        UNIQUE(feed_id, checksum)
    )');

    $pdo->exec('CREATE TABLE "groups" (
        id INTEGER PRIMARY KEY,
        user_id INTEGER NOT NULL,
        title TEXT COLLATE NOCASE,
        FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE,
        UNIQUE(user_id, title)
    )');

    $pdo->exec('CREATE TABLE "feeds_groups" (
        feed_id INTEGER  NOT NULL,
        group_id INTEGER NOT NULL,
        PRIMARY KEY(feed_id, group_id),
        FOREIGN KEY(group_id) REFERENCES groups(id) ON DELETE CASCADE,
        FOREIGN KEY(feed_id) REFERENCES feeds(id) ON DELETE CASCADE
    )');

    $pdo->exec('CREATE TABLE favicons (
        id INTEGER PRIMARY KEY,
        hash TEXT UNIQUE,
        type TEXT
    )');

    $pdo->exec('CREATE TABLE "favicons_feeds" (
        feed_id INTEGER NOT NULL,
        favicon_id INTEGER NOT NULL,
        PRIMARY KEY(feed_id, favicon_id),
        FOREIGN KEY(favicon_id) REFERENCES favicons(id) ON DELETE CASCADE,
        FOREIGN KEY(feed_id) REFERENCES feeds(id) ON DELETE CASCADE
    )');

    $pdo->exec('CREATE TABLE remember_me (
        id INTEGER PRIMARY KEY,
        user_id INTEGER NOT NULL,
        ip TEXT,
        user_agent TEXT,
        token TEXT,
        sequence TEXT,
        expiration INTEGER,
        date_creation INTEGER,
        FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
    )');

    $fever_token = Helper\generate_token();
    $rq = $pdo->prepare('
      INSERT INTO users
      (username, password, is_admin, api_token, bookmarklet_token, cronjob_token, feed_token, fever_token, fever_api_key)
      VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
    ');

    $rq->execute(array(
        'admin',
        password_hash('admin', PASSWORD_BCRYPT),
        '1',
        Helper\generate_token(),
        Helper\generate_token(),
        Helper\generate_token(),
        Helper\generate_token(),
        $fever_token,
        md5('admin:'.$fever_token),
    ));
}