@extends('layouts.app')

@section('title', 'Ubah Data Pemancar')

@section('page_header')
<div class="d-flex justify-content-between align-items-center">
    <div>
        <h4 class="mb-0 fw-bold text-dark d-flex align-items-center gap-2">
            <i class="fa-solid fa-pen-to-square text-primary"></i> Ubah Spesifikasi Pemancar
        </h4>
        <small class="text-muted">Edit parameter teknis unit: {{ $transmitter->name }}</small>
    </div>
    <a href="{{ route('transmitters.index') }}" class="btn btn-outline-secondary">
        <i class="fa-solid fa-arrow-left me-1"></i> Kembali
    </a>
</div>
@endsection

@section('content')
<div class="row justify-content-center">
    <div class="col-lg-9">
        <div class="card card-engineering">
            <div class="card-header">
                <strong><i class="fa-solid fa-pen me-2 text-primary"></i> Formulir Edit Data Pemancar</strong>
            </div>
            <div class="card-body p-4">
                <form action="{{ route('transmitters.update', $transmitter->id) }}" method="POST">
                    @csrf
                    @method('PUT')

                    <div class="row g-3 mb-3">
                        <div class="col-md-3">
                            <label class="form-label small fw-semibold text-secondary">KODE PEMANCAR *</label>
                            <input type="text" name="code" class="form-control font-mono @error('code') is-invalid @enderror" value="{{ old('code', $transmitter->code) }}" required>
                            @error('code')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        </div>

                        <div class="col-md-6">
                            <label class="form-label small fw-semibold text-secondary">NAMA PEMANCAR *</label>
                            <input type="text" name="name" class="form-control @error('name') is-invalid @enderror" value="{{ old('name', $transmitter->name) }}" required>
                            @error('name')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        </div>

                        <div class="col-md-3">
                            <label class="form-label small fw-semibold text-secondary">TIPE MODULASI *</label>
                            <select name="type" class="form-select" required>
                                <option value="FM" {{ old('type', $transmitter->type) == 'FM' ? 'selected' : '' }}>FM</option>
                                <option value="AM" {{ old('type', $transmitter->type) == 'AM' ? 'selected' : '' }}>AM</option>
                            </select>
                        </div>

                        <div class="col-md-4">
                            <label class="form-label small fw-semibold text-secondary">FREKUENSI OPERASIONAL *</label>
                            <input type="text" name="frequency" class="form-control font-mono @error('frequency') is-invalid @enderror" value="{{ old('frequency', $transmitter->frequency) }}" required>
                            @error('frequency')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        </div>

                        <div class="col-md-4">
                            <label class="form-label small fw-semibold text-secondary">CALL SIGN</label>
                            <input type="text" name="call_sign" class="form-control font-mono" value="{{ old('call_sign', $transmitter->call_sign) }}">
                        </div>

                        <div class="col-md-4">
                            <label class="form-label small fw-semibold text-secondary">STATUS OPERASIONAL *</label>
                            <select name="status" class="form-select" required>
                                <option value="active" {{ old('status', $transmitter->status) == 'active' ? 'selected' : '' }}>Active (On-Air)</option>
                                <option value="standby" {{ old('status', $transmitter->status) == 'standby' ? 'selected' : '' }}>Standby (Cadangan)</option>
                                <option value="maintenance" {{ old('status', $transmitter->status) == 'maintenance' ? 'selected' : '' }}>Maintenance</option>
                                <option value="off" {{ old('status', $transmitter->status) == 'off' ? 'selected' : '' }}>Off</option>
                            </select>
                        </div>

                        <div class="col-md-4">
                            <label class="form-label small fw-semibold text-secondary">DAYA NOMINAL (WATT) *</label>
                            <input type="number" name="nominal_power" class="form-control font-mono" value="{{ old('nominal_power', $transmitter->nominal_power) }}" required>
                        </div>

                        <div class="col-md-4">
                            <label class="form-label small fw-semibold text-secondary">DAYA MAKSIMUM (WATT)</label>
                            <input type="number" name="max_power" class="form-control font-mono" value="{{ old('max_power', $transmitter->max_power) }}">
                        </div>

                        <div class="col-md-4">
                            <label class="form-label small fw-semibold text-secondary">TAHUN INSTALASI</label>
                            <input type="number" name="installed_year" class="form-control font-mono" value="{{ old('installed_year', $transmitter->installed_year) }}">
                        </div>

                        <div class="col-md-6">
                            <label class="form-label small fw-semibold text-secondary">MERK & TIPE / MODEL</label>
                            <input type="text" name="brand_model" class="form-control" value="{{ old('brand_model', $transmitter->brand_model) }}">
                        </div>

                        <div class="col-md-6">
                            <label class="form-label small fw-semibold text-secondary">NOMOR SERI</label>
                            <input type="text" name="serial_number" class="form-control font-mono" value="{{ old('serial_number', $transmitter->serial_number) }}">
                        </div>

                        <div class="col-12">
                            <label class="form-label small fw-semibold text-secondary">LOKASI STASIUN TRANSMISI</label>
                            <input type="text" name="site_location" class="form-control" value="{{ old('site_location', $transmitter->site_location) }}">
                        </div>

                        <div class="col-12">
                            <label class="form-label small fw-semibold text-secondary">CATATAN KHUSUS</label>
                            <textarea name="notes" rows="2" class="form-control">{{ old('notes', $transmitter->notes) }}</textarea>
                        </div>
                    </div>

                    <div class="d-flex justify-content-end gap-2 pt-3 border-top">
                        <a href="{{ route('transmitters.index') }}" class="btn btn-outline-secondary">Batal</a>
                        <button type="submit" class="btn btn-primary px-4">
                            <i class="fa-solid fa-floppy-disk me-1"></i> Simpan Perubahan
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>
@endsection