<?php

namespace Schema;

function version_4($pdo)
{
    $pdo->exec("ALTER TABLE config ADD column timezone TEXT DEFAULT 'UTC'");
}

function version_3($pdo)
{
    $pdo->exec('ALTER TABLE projects ADD column token TEXT');

    // For each existing project, assign a different token
    $rq = $pdo->prepare("SELECT id FROM projects WHERE token IS NULL");
    $rq->execute();
    $results = $rq->fetchAll(\PDO::FETCH_ASSOC);

    if ($results !== false) {

        foreach ($results as &$result) {
            $rq = $pdo->prepare('UPDATE projects SET token=? WHERE id=?');
            $rq->execute(array(\Model\Base::generateToken(), $result['id']));
        }
    }
}

function version_2($pdo)
{
    $pdo->exec('ALTER TABLE tasks ADD column date_completed INTEGER');
    $pdo->exec('UPDATE tasks SET date_completed=date_creation WHERE is_active=0');
}

function version_1($pdo)
{
    $pdo->exec("
        CREATE TABLE config (
            language TEXT,
            webhooks_token TEXT
        )
    ");

    $pdo->exec("
        CREATE TABLE users (
            id INTEGER PRIMARY KEY,
            username TEXT,
            password TEXT,
            is_admin INTEGER DEFAULT 0,
            default_project_id DEFAULT 0
        )
    ");

    $pdo->exec("
        CREATE TABLE projects (
            id INTEGER PRIMARY KEY,
            name TEXT NOCASE UNIQUE,
            is_active INTEGER DEFAULT 1
        )
    ");

    $pdo->exec("
        CREATE TABLE columns (
            id INTEGER PRIMARY KEY,
            title TEXT,
            position INTEGER,
            project_id INTEGER,
            FOREIGN KEY(project_id) REFERENCES projects(id) ON DELETE CASCADE,
            UNIQUE (title, project_id)
        )
    ");

    $pdo->exec("
        CREATE TABLE tasks (
            id INTEGER PRIMARY KEY,
            title TEXT,
            description TEXT,
            date_creation INTEGER,
            color_id TEXT,
            project_id INTEGER,
            column_id INTEGER,
            owner_id INTEGER DEFAULT '0',
            position INTEGER,
            is_active INTEGER DEFAULT 1,
            FOREIGN KEY(project_id) REFERENCES projects(id) ON DELETE CASCADE,
            FOREIGN KEY(column_id) REFERENCES columns(id) ON DELETE CASCADE
        )
    ");

    $pdo->exec("
        INSERT INTO users
        (username, password, is_admin)
        VALUES ('admin', '".\password_hash('admin', PASSWORD_BCRYPT)."', '1')
    ");

    $pdo->exec("
        INSERT INTO config
        (language, webhooks_token)
        VALUES ('en_US', '".\Model\Base::generateToken()."')
    ");
}