# retoor <retoor@molodetz.nl>
from fastapi import APIRouter, HTTPException, Request

from molodetz.database import (
    create_invite,
    get_int_setting,
    get_join_request,
    list_join_requests,
    open_invite_for_join,
    revoke_open_invites,
    suggest_username,
    update_join_request,
)
from molodetz.dependencies import json_or_form
from molodetz.link_check import check_repo_link
from molodetz.models import JoinStatusForm
from molodetz.responses import action_result, respond, wants_json
from molodetz.routers.admin._shared import admin_seo
from molodetz.schemas.joins import JoinListOut
from molodetz.templating import templates
from molodetz.utils.audit import record
from molodetz.utils.auth import not_found, require_admin

router = APIRouter()


def _invite_contact_email(contact):
    contact = (contact or "").strip()
    if "@" in contact and " " not in contact and "." in contact.split("@")[-1]:
        return contact.lower()
    return ""


@router.get("/joins")
async def joins_index(request: Request):
    require_admin(request)
    rows = []
    for row in list_join_requests():
        item = dict(row)
        invite = open_invite_for_join(row["uid"])
        item["invite_open"] = invite is not None
        item["invite_expires_at"] = invite["expires_at"] if invite else None
        rows.append(item)
    return respond(request, "admin/joins.html", {"requests": rows, "seo": admin_seo(request, "Join requests")}, model=JoinListOut)


@router.post("/joins/{uid}/status")
async def joins_status(request: Request, uid: str):
    user = require_admin(request)
    row = get_join_request(uid)
    if row is None:
        not_found("Join request not found")
    data = await json_or_form(request, JoinStatusForm)
    update_join_request(uid, status=data.status)
    record(request, "join.request.status", payload={"status": data.status}, targets=[("join_request", uid)], user=user)
    return action_result(request, "/admin/joins", data={"uid": uid, "status": data.status})


@router.post("/joins/{uid}/check")
async def joins_check(request: Request, uid: str):
    user = require_admin(request)
    row = get_join_request(uid)
    if row is None:
        not_found("Join request not found")
    result = await check_repo_link(row)
    record(request, "join.request.check", payload=result, targets=[("join_request", uid)], user=user)
    return action_result(request, "/admin/joins", data=result)


@router.post("/joins/{uid}/invite")
async def joins_invite(request: Request, uid: str):
    user = require_admin(request)
    row = get_join_request(uid)
    if row is None:
        not_found("Join request not found")
    if row.get("status") == "declined":
        raise HTTPException(409, "Cannot invite a declined request")
    days = get_int_setting("invite_expiry_days", 7)
    invite, token = create_invite(
        uid,
        _invite_contact_email(row.get("contact")),
        suggest_username(row.get("name")),
        user["uid"],
        days=days,
    )
    claim_url = str(request.base_url).rstrip("/") + f"/invite/{token}"
    record(
        request,
        "join.invite.issued",
        payload={"expires_at": invite["expires_at"]},
        targets=[("join_request", uid)],
        user=user,
    )
    data = {"claim_url": claim_url, "expires_at": invite["expires_at"]}
    if wants_json(request):
        return action_result(request, "/admin/joins", data=data)
    return templates.TemplateResponse(
        request,
        "admin/invite_issued.html",
        {"join": row, "claim_url": claim_url, "expires_at": invite["expires_at"], "seo": admin_seo(request, "Invite issued")},
    )


@router.post("/joins/{uid}/invite/revoke")
async def joins_invite_revoke(request: Request, uid: str):
    user = require_admin(request)
    row = get_join_request(uid)
    if row is None:
        not_found("Join request not found")
    revoked = revoke_open_invites(uid, user["uid"])
    record(request, "join.invite.revoked", payload={"revoked": revoked}, targets=[("join_request", uid)], user=user)
    return action_result(request, "/admin/joins", data={"revoked": revoked})