<?php

namespace App\Http\Controllers\Parking\Setup\Member;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Validator;
use App\Models\Origin\MasterTarifStiker;
use App\Models\Origin\MasterStasiunKerja;
use App\Models\Origin\MasterJenisLangganan;

class MasterTarifStikerController extends Controller
{
    /**
     * Halaman utama. Data dropdown (stasiun kerja & jenis langganan)
     * di-load langsung di sini biar gak perlu request tambahan pas modal dibuka.
     */
    public function index()
    {
        $stasiunKerjaList = MasterStasiunKerja::orderBy("kode")->get(["kode", "nama"]);
        $jenisLanggananList = MasterJenisLangganan::orderBy("id")->get(["id", "nama"]);

        return view("Parking.setup.member.tarifstiker", compact("stasiunKerjaList", "jenisLanggananList"));
    }

    /**
     * Ambil seluruh data tarif stiker, sekalian join nama stasiun kerja
     * biar gak perlu N+1 query pas render tabel.
     */
    public function data(): JsonResponse
    {
        $data = MasterTarifStiker::with(["stasiunKerja:kode,nama"])
            ->orderByDesc("tarif_id")
            ->get();

        return response()->json([
            "success" => true,
            "data" => $data,
        ]);
    }

    /**
     * Ambil satu data berdasarkan tarif_id.
     */
    public function show(string $tarif_id): JsonResponse
    {
        $item = MasterTarifStiker::with(["stasiunKerja:kode,nama"])->find($tarif_id);

        if (!$item) {
            return response()->json(
                [
                    "success" => false,
                    "message" => "Data tarif stiker tidak ditemukan.",
                ],
                404,
            );
        }

        return response()->json([
            "success" => true,
            "data" => $item,
        ]);
    }

    /**
     * Simpan data tarif stiker baru.
     * tarif_id tidak wajib diisi dari form — kalau kosong, di-generate
     * otomatis (max(tarif_id) + 1) karena tabel ini tidak punya
     * auto-increment/serial asli di database.
     */
    public function store(Request $request): JsonResponse
    {
        $validator = Validator::make($request->all(), [
            "tarif_id" => ["nullable", "integer", "unique:tarif_stiker,tarif_id"],
            "id_mobil" => ["required", "string", "max:10"],
            "jenis_langganan" => ["required", "string", "max:50"],
            "tarif" => ["required", "numeric"],
            "last_member" => ["nullable", "string", "max:5"],
            "tgl_akhir" => ["nullable", "string", "max:2"],
            "jenis" => ["nullable", "string", "max:30"],
            "jenis_member" => ["nullable", "string", "max:50"],
            "hitung_awal_bulan" => ["nullable", "integer"],
            "available_online" => ["nullable", "boolean"],
            "langganan" => ["nullable", "string", "max:32", "exists:stasiunkerja,kode"],
            "kode_akses" => ["nullable", "string", "max:5"],
        ]);

        if ($validator->fails()) {
            return response()->json(
                [
                    "success" => false,
                    "message" => "Validasi gagal.",
                    "errors" => $validator->errors(),
                ],
                422,
            );
        }

        $payload = $validator->validated();
        $payload["available_online"] = $request->boolean("available_online");

        // Transaksi + lock untuk menghindari race condition kalau
        // ada 2 request bersamaan sama-sama generate tarif_id baru.
        $item = DB::transaction(function () use ($payload) {
            if (empty($payload["tarif_id"])) {
                $maxId = MasterTarifStiker::lockForUpdate()->max("tarif_id");
                $payload["tarif_id"] = ($maxId ?? 0) + 1;
            }

            return MasterTarifStiker::create($payload);
        });

        $item->load("stasiunKerja:kode,nama");

        return response()->json(
            [
                "success" => true,
                "message" => "Data tarif stiker berhasil ditambahkan.",
                "data" => $item,
            ],
            201,
        );
    }

    /**
     * Perbarui data tarif stiker berdasarkan tarif_id.
     */
    public function update(Request $request, string $tarif_id): JsonResponse
    {
        $item = MasterTarifStiker::find($tarif_id);

        if (!$item) {
            return response()->json(
                [
                    "success" => false,
                    "message" => "Data tarif stiker tidak ditemukan.",
                ],
                404,
            );
        }

        $validator = Validator::make($request->all(), [
            "id_mobil" => ["required", "string", "max:10"],
            "jenis_langganan" => ["required", "string", "max:50"],
            "tarif" => ["required", "numeric"],
            "last_member" => ["nullable", "string", "max:5"],
            "tgl_akhir" => ["nullable", "string", "max:2"],
            "jenis" => ["nullable", "string", "max:30"],
            "jenis_member" => ["nullable", "string", "max:50"],
            "hitung_awal_bulan" => ["nullable", "integer"],
            "available_online" => ["nullable", "boolean"],
            "langganan" => ["nullable", "string", "max:32", "exists:stasiunkerja,kode"],
            "kode_akses" => ["nullable", "string", "max:5"],
        ]);

        if ($validator->fails()) {
            return response()->json(
                [
                    "success" => false,
                    "message" => "Validasi gagal.",
                    "errors" => $validator->errors(),
                ],
                422,
            );
        }

        $payload = $validator->validated();
        $payload["available_online"] = $request->boolean("available_online");

        $item->update($payload);
        $item->load("stasiunKerja:kode,nama");

        return response()->json([
            "success" => true,
            "message" => "Data tarif stiker berhasil diperbarui.",
            "data" => $item,
        ]);
    }

    /**
     * Hapus data tarif stiker berdasarkan tarif_id.
     */
    public function destroy(string $tarif_id): JsonResponse
    {
        $item = MasterTarifStiker::find($tarif_id);

        if (!$item) {
            return response()->json(
                [
                    "success" => false,
                    "message" => "Data tarif stiker tidak ditemukan.",
                ],
                404,
            );
        }

        $item->delete();

        return response()->json([
            "success" => true,
            "message" => "Data tarif stiker berhasil dihapus.",
        ]);
    }
}