<?php

namespace App\Http\Controllers\Api\V1;

use App\Http\Controllers\Controller;
use App\Models\Deployment;
use App\Models\Order;
use App\Models\Plan;
use App\Models\ServiceTicket;
use App\Models\UserSession;
use App\Models\UserToolOpen;
use App\Services\AuthService;
use App\Services\MembershipService;
use App\Support\Presenter;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class AccountController extends Controller
{
    public function __construct(
        private readonly AuthService $auth,
        private readonly MembershipService $membership,
    ) {}

    public function overview(Request $request)
    {
        $user = $request->user();
        $recent = UserToolOpen::query()->with('tool.tags')->where('user_id', $user->id)->orderByDesc('last_opened_at')->limit(8)->get()
            ->filter(fn ($row) => $row->tool && $row->tool->status === 'published')
            ->map(fn ($row) => Presenter::toolCard($row->tool))->values();

        return $this->ok([
            'user' => Presenter::user($user),
            'recent_tools' => $recent,
            'pending_orders' => Order::query()->where('user_id', $user->id)->where('status', 'pending')->count(),
        ]);
    }

    public function updateProfile(Request $request)
    {
        $data = $request->validate(['nickname' => ['required', 'string', 'min:2', 'max:40']]);
        $request->user()->update(['nickname' => $data['nickname']]);

        return $this->ok(Presenter::user($request->user()->refresh()), '资料已更新');
    }

    public function updatePassword(Request $request)
    {
        $data = $request->validate([
            'old_password' => ['nullable', 'string'],
            'password' => ['required', 'string'],
        ]);
        $this->auth->changePassword(
            $request->user(),
            isset($data['old_password']) ? $this->auth->decrypt($data['old_password']) : null,
            $this->auth->decrypt($data['password'])
        );

        return $this->ok(null, '密码已更新，其他工具需要重新登录');
    }

    public function bind(Request $request)
    {
        $data = $request->validate([
            'channel' => ['required', 'in:sms,email'],
            'account' => ['required', 'string'],
            'code' => ['required', 'string'],
        ]);
        $this->auth->bind($request->user(), $data['channel'], $data['account'], $data['code']);

        return $this->ok(Presenter::user($request->user()->refresh()), '绑定成功');
    }

    public function sessions(Request $request)
    {
        $current = $request->session()->getId();
        $rows = UserSession::query()->where('user_id', $request->user()->id)->whereNull('revoked_at')->orderByDesc('last_seen_at')->get();

        return $this->ok($rows->map(fn (UserSession $row) => [
            'id' => $row->id,
            'ip' => $row->ip,
            'user_agent' => $row->user_agent,
            'last_seen_at' => $row->last_seen_at?->toIso8601String(),
            'current' => $row->session_id === $current,
        ])->values());
    }

    public function revokeSession(Request $request, UserSession $session)
    {
        $this->owns($request, $session);
        $current = $session->session_id === $request->session()->getId();
        $session->update(['revoked_at' => now()]);
        DB::table('sessions')->where('id', $session->session_id)->delete();
        if ($current) {
            $this->auth->logout($request, false);
        }

        return $this->ok(['logged_out' => $current], '会话已下线');
    }

    public function revokeAll(Request $request)
    {
        $this->auth->logout($request, true);

        return $this->ok(null, '已全部下线');
    }

    public function membership(Request $request)
    {
        return $this->ok($this->membership->snapshot($request->user()));
    }

    public function orders(Request $request)
    {
        $rows = Order::query()->where('user_id', $request->user()->id)->latest()->limit(50)->get();

        return $this->ok($rows->map(fn (Order $order) => $this->orderPayload($order))->values());
    }

    public function storeOrder(Request $request)
    {
        $data = $request->validate(['plan_id' => ['required', 'integer']]);
        $plan = Plan::query()->where('status', 'published')->findOrFail($data['plan_id']);
        if ($plan->price_cents <= 0) {
            return response()->json(['message' => '免费方案无需下单', 'code' => 'free_plan'], 422);
        }
        $order = Order::query()->create([
            'order_no' => 'QZ'.now()->format('YmdHis').random_int(1000, 9999),
            'user_id' => $request->user()->id,
            'type' => 'subscription',
            'status' => 'pending',
            'amount_cents' => $plan->price_cents,
            'title' => $plan->name,
        ]);
        $order->items()->create([
            'plan_id' => $plan->id,
            'title' => $plan->name,
            'amount_cents' => $plan->price_cents,
        ]);

        return $this->ok($this->orderPayload($order), '订单已提交，等待确认收款');
    }

    public function services(Request $request)
    {
        $userId = $request->user()->id;

        return $this->ok([
            'tickets' => ServiceTicket::query()->with('tool:id,name')->where('user_id', $userId)->latest()->get(),
            'deployments' => Deployment::query()->with('tool:id,name')->where('user_id', $userId)->latest()->get(),
        ]);
    }

    public function storeTicket(Request $request)
    {
        $data = $request->validate([
            'contact' => ['required', 'string', 'max:120'],
            'requirement' => ['required', 'string', 'max:5000'],
            'tool_id' => ['nullable', 'integer', 'exists:tools,id'],
        ]);
        $ticket = ServiceTicket::query()->create($data + [
            'user_id' => $request->user()->id,
            'status' => 'pending',
        ]);

        return $this->ok($ticket, '需求已提交');
    }

    private function owns(Request $request, UserSession $session): void
    {
        abort_unless($session->user_id === $request->user()->id && $session->revoked_at === null, 404);
    }

    private function orderPayload(Order $order): array
    {
        return [
            'id' => $order->id,
            'order_no' => $order->order_no,
            'type' => $order->type,
            'status' => $order->status,
            'amount_cents' => $order->amount_cents,
            'title' => $order->title,
            'paid_at' => $order->paid_at?->toIso8601String(),
            'created_at' => $order->created_at?->toIso8601String(),
        ];
    }
}