{{-- resources/views/auth/otp-verify.blade.php --}}
@extends('layouts.auth')

@section('title', 'Verifikasi OTP')

@section('content')

    {{-- Steps indicator --}}
    <div class="steps">
        <div class="step done"><div class="step-dot">✓</div> Email</div>
        <div class="step-line done"></div>
        <div class="step active"><div class="step-dot">2</div> Kode OTP</div>
        <div class="step-line"></div>
        <div class="step"><div class="step-dot">3</div> Password Baru</div>
    </div>

    <div class="page-title">Masukkan Kode OTP</div>
    <p class="page-sub">
        Kode 6 digit telah dikirim ke email kamu. Berlaku selama
        <strong id="timerDisplay">05:00</strong>.
    </p>

    {{-- Alert success --}}
    @if (session('success'))
        <div class="alert alert-success">{{ session('success') }}</div>
    @endif

    {{-- Alert error --}}
    @if ($errors->any())
        <div class="alert alert-error">{{ $errors->first() }}</div>
    @endif

    <div class="info-box">
        <span>📧</span>
        <span>Cek folder <strong>Spam</strong> jika kode tidak muncul dalam 1 menit.</span>
    </div>

    {{-- Form verifikasi OTP --}}
    <form method="POST" action="{{ route('password.otp.verify') }}" id="otpForm">
        @csrf

        <div class="form-group">
            <label>Kode Verifikasi</label>
            <div class="otp-group" id="otpGroup">
                @for ($i = 0; $i < 6; $i++)
                    <input
                        type="text"
                        maxlength="1"
                        class="otp-input"
                        inputmode="numeric"
                        pattern="[0-9]"
                        autocomplete="off"
                    />
                @endfor
            </div>
            {{-- Hidden input yang akan dikirim --}}
            <input type="hidden" name="otp" id="otpHidden" />
            @error('otp')
                <span class="invalid-feedback" style="display:block; margin-top:8px;">{{ $message }}</span>
            @enderror
        </div>

        <button type="submit" class="btn btn-primary" id="verifyBtn" disabled>
            Verifikasi Kode
        </button>
    </form>

    {{-- Kirim ulang OTP --}}
    <div class="resend">
        Tidak menerima kode?
        <form method="POST" action="{{ route('password.otp.resend') }}" style="display:inline;">
            @csrf
            <button type="submit" id="resendBtn" disabled>
                Kirim Ulang (<span id="resendTimer">60</span>s)
            </button>
        </form>
    </div>

    <a href="{{ route('password.email') }}" class="btn btn-ghost" style="display:block; text-align:center; margin-top:12px; text-decoration:none;">
        ← Ganti Email
    </a>

@endsection

@push('scripts')
<script>
    // ── OTP Timer (5 menit) ──
    let timerInterval;
    (function startOTPTimer() {
        let seconds = 300;
        const display = document.getElementById('timerDisplay');
        const tick = () => {
            const m = String(Math.floor(seconds / 60)).padStart(2, '0');
            const s = String(seconds % 60).padStart(2, '0');
            display.textContent = m + ':' + s;
            if (seconds-- <= 0) {
                clearInterval(timerInterval);
                display.textContent = 'Kedaluwarsa';
                display.style.color = '#e74c3c';
            }
        };
        tick();
        timerInterval = setInterval(tick, 1000);
    })();

    // ── Resend countdown (60 detik) ──
    (function startResendTimer() {
        const btn  = document.getElementById('resendBtn');
        const span = document.getElementById('resendTimer');
        btn.disabled = true;
        let t = 60;
        const interval = setInterval(() => {
            span.textContent = --t;
            if (t <= 0) {
                clearInterval(interval);
                btn.disabled = false;
                btn.innerHTML = 'Kirim Ulang';
            }
        }, 1000);
    })();

    // ── OTP Input UX ──
    const inputs  = document.querySelectorAll('.otp-input');
    const hidden  = document.getElementById('otpHidden');
    const verBtn  = document.getElementById('verifyBtn');

    function syncHidden() {
        hidden.value = [...inputs].map(i => i.value).join('');
        verBtn.disabled = hidden.value.length !== 6;
    }

    inputs.forEach((inp, idx) => {
        inp.addEventListener('input', () => {
            inp.value = inp.value.replace(/\D/g, '').slice(-1);
            if (inp.value && idx < inputs.length - 1) inputs[idx + 1].focus();
            syncHidden();
        });

        inp.addEventListener('keydown', e => {
            if (e.key === 'Backspace' && !inp.value && idx > 0) {
                inputs[idx - 1].focus();
            }
        });

        inp.addEventListener('paste', e => {
            e.preventDefault();
            const pasted = (e.clipboardData || window.clipboardData)
                .getData('text').replace(/\D/g, '').slice(0, 6);
            pasted.split('').forEach((ch, i) => { if (inputs[i]) inputs[i].value = ch; });
            syncHidden();
            inputs[Math.min(pasted.length, inputs.length - 1)].focus();
        });
    });

    // Auto-focus input pertama
    inputs[0].focus();
</script>
@endpush