@servers(['localhost' => '127.0.0.1'])

@setup
    if (empty($repository)) {
        throw new Exception("Need --repository param", 1);
    }

    if (empty($app_dir)) {
        throw new Exception("Need --app_dir param", 1);
    }

    if (empty($app_user)) {
        throw new Exception("Need --app_user param", 1);
    }

    if (empty($branch)) {
        $branch = 'master';
    }

    $releases_dir = $app_dir . '/releases';
    $storage_dir = $app_dir . '/storage';
    $public_vendor_dir = $app_dir . '/vendor';
    $release_no = date('YmdHis');
    $new_release_dir = $releases_dir .'/'. $release_no;
@endsetup

@story('deploy')
    clone_repository
    run_composer
    update_symlinks
    change_owner
@endstory

@task('clone_repository')
    echo 'Cloning repository'
    [ -d {{ $app_dir }} ] || mkdir {{ $app_dir }}
    [ -d {{ $releases_dir }} ] || mkdir {{ $releases_dir }}
    
    @if($commit)
        echo '克隆分支 {{ $branch }} 提交 ID {{ $commit }} 到 {{ $new_release_dir }}'
        mkdir {{ $new_release_dir }}
        cd {{ $new_release_dir }}
        git init
        git remote add origin {{ $repository }}
        git fetch --depth 1 origin {{ $commit }}
        git checkout FETCH_HEAD
    @else
        echo '克隆分支 {{ $branch }} 到 {{ $new_release_dir }}'
        git clone -b {{ $branch }} --depth 1 {{ $repository }} {{ $new_release_dir }}
    @endif

@endtask

@task('run_composer')
    echo "Starting deployment ({{ $release_no }})"
    cd {{ $new_release_dir }}
    composer install --prefer-dist --no-scripts -q -o
@endtask

@task('update_symlinks')
    echo "Linking storage directory"
    rm -rf {{ $new_release_dir }}/storage
    
    if [ ! -d {{ $storage_dir }} ]; then
        mkdir {{ $storage_dir }}
        mkdir {{ $storage_dir }}/framework
        mkdir {{ $storage_dir }}/framework/cache
        mkdir {{ $storage_dir }}/framework/sessions
        mkdir {{ $storage_dir }}/framework/views
    fi
    ln -nfs {{ $storage_dir }} {{ $new_release_dir }}/storage

    if [ ! -d {{ $public_vendor_dir }} ]; then
        mkdir {{ $public_vendor_dir }}
    fi
    ln -nfs {{ $public_vendor_dir }} {{ $new_release_dir }}/public/vendor

    echo 'Linking current release'
    ln -nfs {{ $new_release_dir }} {{ $app_dir }}/current

    echo 'Linking .env file'
    if [ ! -f {{ $app_dir }}/.env ]; then
        cp {{ $new_release_dir }}/.env.example {{ $app_dir }}/.env
        ln -nfs {{ $app_dir }}/.env {{ $new_release_dir }}/.env
        cd {{ $app_dir }}/current && php artisan key:generate
    else
        ln -nfs {{ $app_dir }}/.env {{ $new_release_dir }}/.env
        cd {{ $app_dir }}/current && php artisan migrate
    fi
@endtask

@task('change_owner')
    chown -R {{ $app_user }} {{ $app_dir }}
    chown -R {{ $app_user }} {{ $releases_dir }}
    chown -R {{ $app_user }} {{ $storage_dir }}
    chown -R {{ $app_user }} {{ $new_release_dir }}
@endtask