#!/usr/bin/env python
# encoding: utf-8
# Copyright (c) 2013-2017 GomSpace A/S. All rights reserved.

import gs_gcc
import gs_doc
import gs_dist
from waflib.Build import BuildContext

APPNAME = 'util'


def options(ctx):
    ctx.load('gs_gcc gs_doc')
    gs_gcc.gs_recurse(ctx)

    gr = ctx.add_option_group('libutil options')
    gr.add_option('--console-history-len', metavar='LEN', default=10, type=int, help='Command history length, 0=none')
    gr.add_option('--console-input-len', metavar='LEN', default=100, type=int, help='Command input length')
    gr.add_option('--util-enable-isr-logs', action='store_true', help='Enable ISR logs')


def configure(ctx):
    ctx.load('gs_gcc gs_doc')

    ctx.env.append_unique('FILES_LIBUTIL', ['src/*.c',
                                            'src/gosh/**/*.c',
                                            'src/log/**/*.c',
                                            'src/vmem/**/*.c',
                                            'src/watchdog/**/*.c',
                                            'src/drivers/**/*.c'])

    if ctx.env.GS_ARCH not in ['avr8']:
        ctx.env.append_unique('FILES_LIBUTIL', ['src/zip/**/*.c'])

    if ctx.gs_is_linux():
        ctx.env.append_unique('FILES_LIBUTIL', ['src/linux/**/*.c'])

        ctx.env.GS_UTIL_CMOCKA = ctx.check_cfg(package='cmocka', args='--cflags --libs',
                                               atleast_version='1.0.1', mandatory=False)

    # Check compiler endianness - avr32 GCC doesn't support endian defines
    endianness = ctx.check_endianness()
    ctx.define_cond('UTIL_LITTLE_ENDIAN', endianness == 'little')
    ctx.define_cond('UTIL_BIG_ENDIAN', endianness == 'big')

    ctx.define('GS_CONSOLE_HISTORY_LEN', ctx.options.console_history_len)
    ctx.define('GS_CONSOLE_INPUT_LEN', ctx.options.console_input_len)
    ctx.define_cond('GS_LOG_ENABLE_ISR_LOGS', ctx.options.util_enable_isr_logs)

    ctx.gs_write_config_header('include/conf_util.h', remove=True)

    ctx.gs_add_doxygen(example=['tst'], exclude=['*/include/gs/uthash/*',
                                                 '*/include/gs/util/zip/*',
                                                 '*/include/deprecated/util/*',
                                                 '*/include/deprecated/gs/gosh/*'])

    ctx.gs_register_handler(function='command_gen_4_0', filepath='./tools/waf_command.py')

    gs_gcc.gs_recurse(ctx)


def build(ctx):
    gs_gcc.gs_recurse(ctx)

    public_include = ctx.gs_include(name=APPNAME,
                                    includes=['include', 'include/gs',
                                              'include/deprecated', 'include/deprecated/gs/gosh/'],
                                    config_header=['include/conf_util.h'])

    ctx.gs_objects(source=ctx.path.ant_glob(ctx.env.FILES_LIBUTIL),
                   target=APPNAME,
                   includes=['src'],
                   use=ctx.env.USE_LIBUTIL + [public_include])

    ctx.gs_shlib(source=ctx.path.ant_glob(ctx.env.FILES_LIBUTIL),
                 target=APPNAME,
                 includes=['src'],
                 gs_use_shlib=ctx.env.USE_LIBUTIL,
                 use=[public_include],
                 lib=['pthread'])

    ctx.gs_python_bindings(source=ctx.path.ant_glob('src/bindings/python/*.c'),
                           target=APPNAME,
                           gs_use_shlib=ctx.env.USE_LIBUTIL + [APPNAME],
                           use=[public_include],
                           package='libutil')

    if ctx.env.GS_UTIL_CMOCKA:
        ctx.gs_stlib(source=ctx.path.ant_glob('src/test/*.c'),
                     name=APPNAME + '_cmocka',  # overwrite default naming
                     target=APPNAME + '_cmocka',
                     includes=['include'])


def doc(ctx):
    gs_doc.gs_library_doc(ctx, keyvalues={
        'gs_prod_name': 'lib'+APPNAME,
        'gs_prod_desc': 'Low level APIs and utilities',
        'gs_sphinx_exclude': ['CHANGELOG.rst'],
    })


class Doc(BuildContext):
    cmd = fun = 'doc'


def gs_dist(ctx):
    ctx.add_default_files(source_module=True)