project('tuhi',
	version: '0.6',
	license: 'GPLv2',
	meson_version: '>= 0.50.0')
# The tag date of the project_version(), update when the version bumps.
version_date='2022-04-28'

# Dependencies
dependency('pygobject-3.0', version: '>= 3.30', required: true)

prefix = get_option('prefix')
datadir = join_paths(prefix, get_option('datadir'))
localedir = join_paths(prefix, get_option('localedir'))
pkgdatadir = join_paths(datadir, meson.project_name())
bindir = join_paths(prefix, get_option('bindir'))
podir = join_paths(meson.source_root(), 'po')
desktopdir = join_paths(datadir, 'applications')
icondir = join_paths(datadir, 'icons', 'hicolor')
icondir_scalable = join_paths(icondir, 'scalable', 'apps')
icondir_symbolic = join_paths(icondir, 'symbolic', 'apps')
metainfodir = join_paths(datadir, 'metainfo')
libexecdir = join_paths(get_option('prefix'), get_option('libexecdir'), 'tuhi')


i18n = import('i18n')
# Workaround for https://github.com/mesonbuild/meson/issues/6165
find_program('gettext')

subdir('po')
subdir('data')

pymod = import('python')

# external python modules that are required for running Tuhi
python_modules = [
    'svgwrite',
    'xdg',
    'gi',
    'cairo',
]
if meson.version().version_compare('>=0.51')
    py3 = pymod.find_installation(modules: python_modules)
else
    py3 = pymod.find_installation()

    foreach module: python_modules
        if run_command(py3, '-c', 'import @0@'.format(module)).returncode() != 0
            error('Failed to find required python module \'@0@\'.'.format(module))
        endif
    endforeach
endif
python_dir = py3.get_install_dir()
install_subdir('tuhi',
               install_dir: python_dir,
               exclude_directories: '__pycache__')

# We have three startup scripts:
# - tuhi: starts server and GUI
# - tuhi-gui: starts the GUI only
# - tuhi-server: starts the server only
#
# tuhi-server can run as-is, we don't need meson for it. But for the other
# two we build a {name}.devel version that uses the in-tree files.
# For that we need to replace a few paths, in the installed versions we just
# use the normal dirs.
#
config_tuhi = configuration_data()
config_tuhi.set('libexecdir', libexecdir)
config_tuhi.set('devel', '')

config_tuhi_devel = configuration_data()
config_tuhi_devel.set('libexecdir', '')
config_tuhi_devel.set('devel', '''
tuhi_gui = '@1@/tuhi-gui.devel'
tuhi_server = '@0@/tuhi-server.py'
print('Running from source tree, using local files')
'''.format(meson.source_root(), meson.build_root()))

config_tuhigui = configuration_data()
config_tuhigui.set('pkgdatadir', pkgdatadir)
config_tuhigui.set('localedir', localedir)
config_tuhigui.set('devel', '')

config_tuhigui_devel = config_tuhigui
config_tuhigui_devel.set('pkgdatadir', join_paths(meson.build_root(), 'data'))
config_tuhigui_devel.set('localedir', join_paths(meson.build_root(), 'po'))
config_tuhigui_devel.set('devel', '''
sys.path.insert(1, '@0@')
print('Running from source tree, using local files')
'''.format(meson.source_root(), meson.build_root()))

configure_file(input: 'tuhi.in',
	       output: 'tuhi',
	       configuration: config_tuhi,
	       install_dir: bindir)

configure_file(input: 'tuhi.in',
	       output: 'tuhi.devel',
	       configuration: config_tuhi_devel)

configure_file(input: 'tuhi-gui.in',
	       output: 'tuhi-gui',
	       configuration: config_tuhigui,
	       install_dir: libexecdir)

configure_file(input: 'tuhi-gui.in',
	       output: 'tuhi-gui.devel',
	       configuration: config_tuhigui_devel)

configure_file(input: 'tuhi-server.py',
	       output: 'tuhi-server',
	       copy: true,
	       install_dir: libexecdir)

meson.add_install_script('meson_install.sh')

desktop_file = i18n.merge_file(input: 'data/org.freedesktop.Tuhi.desktop.in',
                               output: 'org.freedesktop.Tuhi.desktop',
                               type: 'desktop',
                               po_dir: podir,
                               install: true,
                               install_dir: desktopdir)

conf = configuration_data()
conf.set('version', meson.project_version())
conf.set('url', 'https://github.com/tuhiproject/tuhi')
conf.set('version_date', version_date)

appdata_intl = configure_file(input: 'data/org.freedesktop.Tuhi.appdata.xml.in.in',
                              output: 'org.freedesktop.Tuhi.appdata.xml.in',
                              configuration: conf)

appdata = i18n.merge_file(input: appdata_intl,
                          output: 'org.freedesktop.Tuhi.appdata.xml',
                          type: 'xml',
                          po_dir: podir,
                          install: true,
                          install_dir: metainfodir)

install_data('data/org.freedesktop.Tuhi.svg', install_dir: icondir)

flake8 = find_program('flake8-3', 'flake8', required: false)
if flake8.found()
   test('flake8', flake8,
        args: ['--ignore=E501,W504',
               join_paths(meson.source_root(), 'tuhi'),
               join_paths(meson.source_root(), 'tuhi', 'gui')])
   test('flake8-tools', flake8,
        args: ['--ignore=E501,W504',
               join_paths(meson.source_root(), 'tools')])
   # the tests need different flake exclusions
   test('flake8-tests', flake8,
        args: ['--ignore=E501,W504,F403,F405',
               join_paths(meson.source_root(), 'test/')])
endif

desktop_validate = find_program('desktop-file-validate', required: false)
if desktop_validate.found()
    test('desktop-file-validate', desktop_validate, args: [desktop_file])
endif

appstream_util = find_program('appstream-util', required: false)
if appstream_util.found()
    test('appstream-util validate-relax', appstream_util,
         args: ['validate-relax', appdata])
endif

pytest = find_program('pytest-3', required: false)
if pytest.found()
    test('unittest', pytest,
         args: [join_paths(meson.source_root(), 'test')],
         timeout: 180)
endif

# A wrapper to start tuhi at the same time as tuhigui, used by the flatpak
configure_file(input: 'tools/tuhi-gui-flatpak.py',
               output: 'tuhi-gui-flatpak.py',
               copy: true)