wscript

import os
try:
    from sh import CommandNotFound, jshint, cat, uglifyjs, ErrorReturnCode_2
    hint = True
except (ImportError, CommandNotFound):
    hint = None

top = '.'
out = 'build'

def options(ctx):
    ctx.load('pebble_sdk')

def configure(ctx):
    ctx.load('pebble_sdk')

def build(ctx):
    ctx.path.make_node('src/js/').mkdir()
    js_files = [
        'src/js/config.js',
        'src/js/keys.js',
        'src/js/utils.js',
        'src/js/app.js'
    ]

    if hint is not None:
        try:
            jshint('src/js/app.js', _tty_out=False)
        except ErrorReturnCode_2 as e:
            ctx.fatal("\nJavaScript linting failed\n" + e.stdout)

    try:
        os.remove('build/app.js')
        os.remove('build/pebble-js-app.js')
    except OSError:
        pass

    #concatenate all the JS together
    for path in js_files:
        ctx(rule='cat ${SRC} >> ${TGT}', source=path, target='app.js')

    # minify and mangle the JS.
    # probably not the best way to execute it.
    ctx(rule='uglifyjs ${SRC} -m -c -r \'Pebble\' -o ${TGT}', source='app.js', target='pebble-js-app.js')

    ctx.load('pebble_sdk')

    build_worker = os.path.exists('worker_src')
    binaries = []

    for p in ctx.env.TARGET_PLATFORMS:
        ctx.set_env(ctx.all_envs[p])
        ctx.set_group(ctx.env.PLATFORM_NAME)
        app_elf='{}/pebble-app.elf'.format(p)
        ctx.pbl_program(source=ctx.path.ant_glob('src/**/*.c'),
        target=app_elf)

        if build_worker:
            worker_elf='{}/pebble-worker.elf'.format(p)
            binaries.append({'platform': p, 'app_elf': app_elf, 'worker_elf': worker_elf})
            ctx.pbl_worker(source=ctx.path.ant_glob('worker_src/**/*.c'),
            target=worker_elf)
        else:
            binaries.append({'platform': p, 'app_elf': app_elf})

    ctx.set_group('bundle')
    ctx.pbl_bundle(binaries=binaries, js='pebble-js-app.js')