import sys
import os
import json
import pathlib

dotfile_dir = sys.argv[1]
home_dir = str(pathlib.Path.home())

def uninstall_component(comp):
    print('Uninstalling component: {}...'.format(comp['name']))
    comp_dir = os.path.join(dotfile_dir, comp['name'])

    if 'link-files' in comp:
        link_files = comp['link-files']
        for f in link_files:
            source_path = os.path.join(comp_dir, f['source'])
            dest_path = os.path.join(home_dir, f['dest'])
            if os.path.exists(dest_path):
                print('  removing link {}'.format(dest_path))
                os.unlink(dest_path)

    if 'link-dirs' in comp:
        link_dirs = comp['link-dirs']
        for f in link_dirs:
            source_path = os.path.join(comp_dir, f['source'])
            dest_path = os.path.join(home_dir, f['dest'])
            if not os.path.exists(dest_path):
                print('  removing link {} -> {}'.format(dest_path))
                os.unlink(dest_path)


components_path = os.path.join(dotfile_dir, 'meta', 'components.json')
components = None

with open(components_path, 'r') as f:
    components = json.load(f)

for comp in components:
    uninstall_component(comp)