#!/usr/bin/python3
from asyncio import run
from os import readlink
from os.path import join, islink
from risotto.machine import load, templates
try:
    from ansible.plugins.action import ActionBase
    from ansible.module_utils.basic import AnsibleModule
    class FakeModule(AnsibleModule):
        def __init__(self):
            pass
except:
    import traceback
    traceback.print_exc()
    class ActionBase():
        def __init__(self, *args, **kwargs):
            raise Exception('works only with ansible')


async def build_files(server_name: str,
                      just_copy: bool,
                      ) -> None:
    config = await load()
    await templates(server_name,
                    config,
                    just_copy=just_copy,
                    )


class ActionModule(ActionBase):
    def run(self, tmp=None, task_vars=None):
        super(ActionModule, self).run(tmp, task_vars)
        module_args = self._task.args.copy()
        root_local = module_args.pop('root_local')
        root_remote= module_args.pop('root_remote')
        name = module_args.pop('hostname')
        is_host = module_args.pop('is_host')
        just_copy = module_args.get('just_copy', False)
        module_args['root'] = root_remote

        run(build_files(name, just_copy))
        #
        remote = self._execute_module(module_name='compare', module_args=module_args, task_vars=task_vars)
        if remote.get('failed'):
            raise Exception(f'error in remote action: {remote["module_stdout"]}')
        #
        module = FakeModule()
        modified_files = []
        changed = False
        for path in module_args['paths']:
            full_path = join(root_local, path['name'][1:])
            if remote['compare'].get(path['name']):
                if remote['compare'][path['name']]['type'] == 'file':
                    if remote['compare'][path['name']]['shasum'] == module.digest_from_file(full_path, 'sha256'):
                        continue
                else:
                    # it's a symlink
                    if islink(full_path) and remote['compare'][path['name']]['name'] == readlink(full_path):
                        continue
            changed = True
            modified_files.append(path['name'])
        if not is_host:
            for old_file in remote['old_files']:
                changed = True
    #            module_args['path'] = old_file
    #            module_args['state'] = 'absent'
    #            self._execute_module(module_name='ansible.builtin.file', module_args=module_args, task_vars=task_vars)
        return dict(ansible_facts=dict({}), changed=changed)