from __future__ import annotations

import time
from typing import Any

import httpx
from flask import jsonify, g

from .. import settings
from ..keycloak import admin_client, require_auth, require_account_access
from ..utils import random_password


def register(app) -> None:
    @app.route("/api/account/overview", methods=["GET"])
    @require_auth
    def account_overview() -> Any:
        ok, resp = require_account_access()
        if not ok:
            return resp

        username = g.keycloak_username
        keycloak_email = g.keycloak_email or ""
        mailu_app_password = ""

        if admin_client().ready() and username:
            try:
                user = admin_client().find_user(username) or {}
                user_id = user.get("id") or ""
                if user_id:
                    full = admin_client().get_user(str(user_id))
                    if not keycloak_email:
                        keycloak_email = str(full.get("email") or "")
                    attrs = full.get("attributes") or {}
                    if isinstance(attrs, dict):
                        values = attrs.get("mailu_app_password") or []
                        if isinstance(values, list) and values:
                            mailu_app_password = str(values[0])
            except Exception:
                pass

        mailu_username = ""
        if keycloak_email and keycloak_email.lower().endswith(f"@{settings.MAILU_DOMAIN.lower()}"):
            mailu_username = keycloak_email
        elif username:
            mailu_username = f"{username}@{settings.MAILU_DOMAIN}"

        mailu_status = "ready"
        jellyfin_status = "ready"

        if not admin_client().ready():
            mailu_status = "server not configured"
            jellyfin_status = "server not configured"

        return jsonify(
            {
                "user": {"username": username, "email": keycloak_email, "groups": g.keycloak_groups},
                "mailu": {"status": mailu_status, "username": mailu_username, "app_password": mailu_app_password},
                "jellyfin": {"status": jellyfin_status, "username": username},
            }
        )

    @app.route("/api/account/mailu/rotate", methods=["POST"])
    @require_auth
    def account_mailu_rotate() -> Any:
        ok, resp = require_account_access()
        if not ok:
            return resp
        if not admin_client().ready():
            return jsonify({"error": "server not configured"}), 503

        username = g.keycloak_username
        if not username:
            return jsonify({"error": "missing username"}), 400

        password = random_password()
        try:
            admin_client().set_user_attribute(username, "mailu_app_password", password)
        except Exception:
            return jsonify({"error": "failed to update mail password"}), 502

        sync_ok = False
        sync_error = ""
        if settings.MAILU_SYNC_URL:
            try:
                with httpx.Client(timeout=30) as client:
                    resp = client.post(
                        settings.MAILU_SYNC_URL,
                        json={"ts": int(time.time()), "wait": True, "reason": "portal_mailu_rotate"},
                    )
                    sync_ok = resp.status_code == 200
                    if not sync_ok:
                        sync_error = f"sync status {resp.status_code}"
            except Exception:
                sync_error = "sync request failed"

        return jsonify({"password": password, "sync_ok": sync_ok, "sync_error": sync_error})