import sys
from typing import Dict

import base32_crockford as base32
import click
import tabulate

import api.projects
from config import Config
from util import require_login

from .cli import cli


@cli.group('projects', invoke_without_command=True)
@click.pass_context
@require_login
def projects(context: click.Context) -> None:
    if context.invoked_subcommand is not None:
        # click calls this function when a subcommand is
        # invoked as well. In this case, do nothing.
        return

    projects_ = api.projects.get()
    projects_.sort(key=lambda project_: project_['name'])

    aliases: Dict[int, str] = {}
    for alias_, alias_id in Config['project_aliases'].items():
        aliases[int(alias_id)] = alias_

    table = []
    for project in sorted(projects_, key=lambda project_: project_['name']):
        code = base32.encode(project['id'])
        alias_ = aliases.get(project['id'], '')
        table.append((code, project['name'], alias_))

    print(tabulate.tabulate(table, headers=('Code', 'Name', 'Alias')))


@projects.group('alias')
def alias() -> None:
    pass


@alias.command('add')
@click.argument('code')
@click.argument('name')
def alias_add(code: str, name: str) -> None:
    project_id = base32.decode(code)
    Config['project_aliases'][name] = str(project_id)
    Config.write()


@alias.command('rm')
@click.argument('name')
def alias_rm(name: str) -> None:
    del Config['project_aliases'][name]
    Config.write()


@projects.command('info')
@click.argument('name')
def info(name: str) -> None:
    try:
        project_id = int(Config['project_aliases'][name])
    except KeyError:
        print(f'unknown alias {name}')
        sys.exit(1)

    project_info = api.projects.get_project(project_id)
    print(tabulate.tabulate(project_info.items()))