#!/usr/bin/env python

import os
import shutil

from waflib.extras import autowaf

# Version of this package (even if built as a child)
FOMP_VERSION = '1.1.0'

# Mandatory waf variables
APPNAME = 'fomp'        # Package name for waf dist
VERSION = FOMP_VERSION  # Package version for waf dist
top     = '.'           # Source directory
out     = 'build'       # Build directory

def options(opt):
    opt.load('compiler_cxx')
    opt.load('lv2')

def configure(conf):
    conf.load('compiler_cxx', cache=True)
    conf.load('lv2', cache=True)
    conf.load('autowaf', cache=True)
    autowaf.set_c_lang(conf, 'c99')

    autowaf.check_pkg(conf, 'lv2', atleast_version='1.0.0', uselib_store='LV2')

    # Set env.pluginlib_PATTERN
    pat = conf.env.cxxshlib_PATTERN
    if pat[0:3] == 'lib':
        pat = pat[3:]
    conf.env.pluginlib_PATTERN = pat
    conf.env.pluginlib_EXT = pat[pat.rfind('.'):]

    conf.run_env.append_unique('LV2_PATH', [conf.build_path('lv2')])
    autowaf.display_summary(conf, {'LV2 bundle directory': conf.env.LV2DIR})

def build_plugin(bld, lang, bundle, name, source, defines=None):
    # Build plugin library
    penv = bld.env.derive()
    penv.cxxshlib_PATTERN = bld.env.pluginlib_PATTERN
    obj = bld(features     = '%s %sshlib' % (lang,lang),
              env          = penv,
              source       = source,
              includes     = ['.', 'src/include'],
              name         = name,
              target       = os.path.join('lv2', bundle, name),
              uselib       = ['LV2'],
              install_path = '${LV2DIR}/' + bundle)
    if defines != None:
        obj.defines = defines

def build(bld):
    # Copy data files to build bundle (build/fomp.lv2)
    def do_copy(task):
        src = task.inputs[0].abspath()
        tgt = task.outputs[0].abspath()
        return shutil.copy(src, tgt)

    for i in bld.path.ant_glob('fomp.lv2/*.ttl'):
        bld(features     = 'subst',
            is_copy      = True,
            source       = i,
            target       = 'lv2/fomp.lv2/%s' % i.name,
            install_path = '${LV2DIR}/fomp.lv2')

    bld(features     = 'subst',
        source       = 'fomp.lv2/manifest.ttl.in',
        target       = 'lv2/fomp.lv2/manifest.ttl',
        LIB_EXT      = bld.env.pluginlib_EXT,
        install_path = '${LV2DIR}/fomp.lv2')

    plugins = ['autowah',
               'blvco',
               'cs_chorus',
               'cs_phaser',
               'filters',
               'mvchpf24',
               'mvclpf24']
    for i in plugins:
        build_plugin(bld, 'cxx', 'fomp.lv2', i,
                     ['src/%s.cc' % i,
                      'src/%s_lv2.cc' % i])
    build_plugin(bld, 'cxx', 'fomp.lv2', 'reverbs',
                 ['src/reverbs.cc',
                  'src/pareq.cc',
                  'src/zreverb.cc',
                  'src/reverbs_lv2.cc'])

def posts(ctx):
    path = str(ctx.path.abspath())
    autowaf.news_to_posts(
        os.path.join(path, 'NEWS'),
        {'title'        : 'Fomp.LV2',
         'description'  : autowaf.get_blurb(os.path.join(path, 'README')),
         'dist_pattern' : 'http://download.drobilla.net/fomp-lv2-%s.tar.bz2'},
        { 'Author' : 'drobilla',
          'Tags'   : 'LV2, Fomp.lv2' },
        os.path.join(out, 'posts'))