from aioflask import Flask
from ci import app as bot

app = Flask(__name__)


@app.route("/", methods=['GET', 'POST'])
async def webhook(request):
    data = request.json
    # json contains an attribute that differentiates between the types, see
    # https://docs.gitlab.com/ce/user/project/integrations/webhooks.html
    # for more infos
    kind = data['object_kind']
    if kind == 'push':
        msg = generatePushMsg(data)
    elif kind == 'tag_push':
        msg = generatePushMsg(data)  # TODO:Make own function for this
    elif kind == 'issue':
        msg = generateIssueMsg(data)
    elif kind == 'note':
        msg = generateCommentMsg(data)
    elif kind == 'merge_request':
        msg = generateMergeRequestMsg(data)
    elif kind == 'wiki_page':
        msg = generateWikiMsg(data)
    elif kind == 'pipeline':
        msg = generatePipelineMsg(data)
    elif kind == 'build':
        msg = generateBuildMsg(data)
    else:
        msg = "Unknown event."
    await bot.send_message(-1001441461877, msg)
    return jsonify({'status': 'ok'})


def generatePushMsg(data):
    msg = f'*🔨 {data["total_commits_count"]} new commits to ' \
          f'{data["project"]["name"]}:{data["project"]["default_branch"]}*:\n\n'
    for commit in data['commits']:
        tag_link = f'<a href="{commit["url"]}">{commit["id"][:7]}</a>'
        msg = msg + f"{tag_link}: {commit['message'].rstrip()}\n"
    return msg


def generateIssueMsg(data):
    action = data['object_attributes']['action']
    if action == 'open':
        assignees = ''
        for assignee in data.get('assignees', []):
            assignees += assignee['name'] + ' '
        msg = '*{0}* new issue for *{1}*:\n' \
            .format(data['project']['name'], assignees)
    elif action == 'reopen':
        assignees = ''
        for assignee in data.get('assignees', []):
            assignees += assignee['name'] + ' '
        msg = '*{0}* issue re-opened for *{1}*:\n' \
            .format(data['project']['name'], assignees)
    elif action == 'close':
        msg = '*{0}* issue closed by *{1}*:\n' \
            .format(data['project']['name'], data['user']['name'])
    elif action == 'update':
        assignees = ''
        for assignee in data.get('assignees', []):
            assignees += assignee['name'] + ' '
        msg = '*{0}* issue assigned to *{1}*:\n' \
            .format(data['project']['name'], assignees)
    else:
        msg = ""

    msg = msg + '[{0}]({1})' \
        .format(data['object_attributes']['title'], data['object_attributes']['url'])
    return msg


def generateCommentMsg(data):
    ntype = data['object_attributes']['noteable_type']
    if ntype == 'Commit':
        msg = 'note to commit'
    elif ntype == 'MergeRequest':
        msg = 'note to MergeRequest'
    elif ntype == 'Issue':
        msg = 'note to Issue'
    elif ntype == 'Snippet':
        msg = 'note on code snippet'
    else:
        msg = ""
    return msg


def generateMergeRequestMsg(data):
    return 'new MergeRequest'


def generateWikiMsg(data):
    return 'new wiki stuff'


def generatePipelineMsg(data):
    return 'new pipeline stuff'


def generateBuildMsg(data):
    return 'new build stuff'