#!/usr/bin/python

# @License EPL-1.0 <http://spdx.org/licenses/EPL-1.0>
##############################################################################
# Copyright (c) 2014, 2015 The Linux Foundation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
#
# Contributors:
#   Thanh Ha (The Linux Foundation) - Initial implementation
##############################################################################

import os

from jjblib import Project


def _is_project(jjb_dir, project):
    """Returns true if project is a project that should be auto-generated"""
    p = Project(project)
    if p.meta_project:
        template = os.path.join(jjb_dir, project, "%s.yaml" % p.project)
    else:
        template = os.path.join(jjb_dir, p.project, "%s.yaml" % p.project)

    if os.path.isfile(template):  # Project found
        with open(template, 'r') as f:
            first_line = f.readline()
        if first_line.startswith("# REMOVE THIS LINE IF"):
            return True
    return False


def get_autoupdate_projects(jjb_dir):
    """Get list of projects that should be auto-updated."""
    project_list = []

    for root, dirs, files in os.walk(jjb_dir):
        project = root.replace("%s/" % jjb_dir, '')

        if _is_project(jjb_dir, project):
            project_list.append(project)

    return project_list


def update_templates(projects):
    for project in projects:
        print("Updating... %s" % project)
        p = Project(project)
        if p.meta_project:  # Meta project
            cfg_file = "jjb/%s/%s.cfg" % (project, p.project)
        else:
            cfg_file = "jjb/%s/%s.cfg" % (p.project, p.project)
        os.system("python scripts/jjb-init-project.py %s -c %s" %
                  (project, cfg_file))

##############
# Code Start #
##############

jjb_dir = "jjb"
all_projects = [d for d in os.listdir(jjb_dir)
                if os.path.isdir(os.path.join(jjb_dir, d))]
auto_update_projects = get_autoupdate_projects(jjb_dir)
update_templates(auto_update_projects)