#!/usr/bin/env python
import glob
import os
import string
import sys
import subprocess

import waflib.Logs as Logs, waflib.Options as Options

from waflib.extras import autowaf as autowaf
from waflib.TaskGen import feature, before, after

# Variables for 'waf dist'
VERSION = '0.0.1'
APPNAME = 'drobillad'

# Mandatory variables
top = '.'
out = 'build'

projects = '''
    serd
    sord
    suil
    lilv
    raul
    ganv
    patchage
    ingen
    jalv
    machina
    plugins/float.lv2
    plugins/mdala.lv2
'''.split()
#    plugins/dirg.lv2
#    plugins/lolep.lv2

def options(opt):
    opt.load('compiler_c')
    opt.load('compiler_cxx')
    autowaf.set_options(opt)
    opt.add_option('--cmd', type='string', dest='cmd',
                   help='Command to run from build directory (for run command)')
    for i in projects:
        opt.recurse(i)
        
def sub_config_and_use(conf, name, has_objects = True, pkgname = ''):
    conf.recurse(name)
    if pkgname == '':
        pkgname = name
    autowaf.set_local_lib(conf, pkgname, has_objects)

def configure(conf):
    conf.load('compiler_c')
    conf.load('compiler_cxx')
    autowaf.set_recursive()
    autowaf.configure(conf)

    autowaf.check_pkg(conf, 'lv2core', uselib_store='LV2CORE',
                      atleast_version='4.0', mandatory=True)

    print('')
    conf.env['DROBILLAD_BUILD'] = []
    global to_build
    for i in projects:
        try:
            sub_config_and_use(conf, i)
            conf.env['DROBILLAD_BUILD'] += [i]
        except:
            Logs.warn('Configuration failed, %s will not be built\n' % i)

    Logs.info('Building:\n\t%s\n' % '\n\t'.join(conf.env['DROBILLAD_BUILD']))

    not_building = []
    for i in projects:
        if i not in conf.env['DROBILLAD_BUILD']:
            not_building += [i]

    if not_building != []:
        Logs.warn('Not building:\n\t%s\n' % '\n\t'.join(not_building))

def source_tree_env():
    "Set up the environment to run things from the source tree."
    env          = os.environ
    library_path = []
    if 'LD_LIBRARY_PATH' in env:
        library_path = env['LD_LIBRARY_PATH'].split(os.pathsep)
    for i in 'serd sord lilv suil raul ganv'.split():
        library_path += [ os.path.join(os.getcwd(), 'build', i) ]

    ingen_module_path = []
    for i in 'client server module shared client gui serialisation'.split():
        path = os.path.join(os.getcwd(), 'build', 'ingen', 'src', i)
        library_path      += [ path ]
        ingen_module_path += [ path ]

    env['LD_LIBRARY_PATH']   = os.pathsep.join(library_path)
    env['INGEN_MODULE_PATH'] = os.pathsep.join(ingen_module_path)
    env['LV2_PATH'] = os.pathsep.join(['~/.lv2', os.path.join(os.getcwd(), 'lv2')])
    return env

def run(ctx):
    if not Options.options.cmd:
        Logs.error("missing --cmd option for run command")
        return

    cmd = Options.options.cmd
    Logs.pprint('GREEN', 'Running %s' % cmd)

    subprocess.call(cmd, shell=True, env=source_tree_env())

def build(bld):
    autowaf.set_recursive()
    for i in bld.env['DROBILLAD_BUILD']:
        bld.recurse(i)

def test(ctx):
    os.environ = source_tree_env()
    for i in ['raul', 'serd', 'sord', 'lilv']:
        ctx.recurse(i)