@extends('admin_dashboard')
@section('admin')

<style>
    .card          { border: none; border-radius: 16px; }
    .card-header   { font-weight: 600; letter-spacing: .5px; }
    label          { font-weight: 500; font-size: .875rem; color: #374151; margin-bottom: 4px; }
    .form-control, .form-select {
        border: 1.5px solid #e5e7eb; border-radius: 8px;
        font-size: .9rem; box-shadow: none !important;
    }
    .form-control:focus, .form-select:focus {
        border-color: #dc3545; box-shadow: 0 0 0 3px rgba(220,53,69,.12) !important;
    }
    .section-heading {
        font-size: .78rem; font-weight: 700; text-transform: uppercase;
        letter-spacing: .7px; color: #6b7280; margin: 24px 0 14px;
        display: flex; align-items: center; gap: 8px;
    }
    .section-heading i { color: #dc3545; font-size: 1rem; }
    .section-heading::after { content:''; flex:1; height:1px; background:#e5e7eb; }
    .guarantor-card {
        background: #fff8f0; border: 1.5px dashed #f59e0b;
        border-radius: 12px; padding: 20px;
    }
    .info-chip {
        display:inline-flex; align-items:center; gap:6px;
        background:#f3f4f6; border-radius:8px; padding:6px 12px;
        font-size:.82rem; color:#374151;
    }
    .info-chip strong { color:#dc3545; font-family:monospace; }
</style>

<div class="container my-3">
    <div class="card shadow-lg">
        <div class="card-header bg-danger text-white py-3">
            <div class="d-flex align-items-center justify-content-between">
                <h5 class="mb-0"><i class="bi bi-pencil-square me-2"></i>Edit Loan Member</h5>
                <div class="d-flex gap-2">
                    <span class="info-chip"><i class="bi bi-person-badge"></i> GSS: <strong>{{ $member->account_number }}</strong></span>
                    <span class="info-chip"><i class="bi bi-cash-coin"></i> Loan A/C: <strong>{{ $member->loan_ac_number }}</strong></span>
                </div>
            </div>
        </div>
        <div class="card-body p-4">

            @if(session('success'))
            <div class="alert alert-success alert-dismissible fade show">
                <i class="bi bi-check-circle-fill me-2"></i>{{ session('success') }}
                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
            </div>
            @endif

            <form action="{{ route('loanmember.info.update', $member->id) }}" method="POST" enctype="multipart/form-data">
                @csrf @method('PUT')

                {{-- ── Account / Group Info ── --}}
                <div class="section-heading"><i class="bi bi-credit-card-2-front"></i> Account Information</div>
                <div class="row mb-3">
                    <div class="col-md-4">
                        <label>Group Name</label>
                        <input type="text" name="pid_name" id="pid_name" class="form-control"
                               list="group-list" autocomplete="off"
                               value="{{ $currentGroupName }}">
                        <datalist id="group-list">
                            @foreach($groups as $group)
                            <option value="{{ $group->group_name }}">
                            @endforeach
                        </datalist>
                    </div>
                    <div class="col-md-4">
                        <label>A/C Holder Name <span class="text-danger">*</span></label>
                        <input type="text" name="member_name" id="member_name"
                               class="form-control @error('member_name') is-invalid @enderror"
                               value="{{ old('member_name', $member->member_name) }}">
                        @error('member_name')<span class="text-danger small">{{ $message }}</span>@enderror
                    </div>
                    <div class="col-md-4">
                        <label>Opening Date</label>
                        <input type="text" name="opening_date" id="opening_date" class="form-control"
                               value="{{ $member->opening_date ? \Carbon\Carbon::parse($member->opening_date)->format('d-m-Y') : '' }}">
                    </div>
                </div>

                {{-- ── Loan Details ── --}}
                <div class="section-heading"><i class="bi bi-bank2"></i> Loan Details</div>
                <div class="row mb-3">
                    <div class="col-md-4">
                        <label>Loan Type</label>
                        <select name="loan_type" id="loan_type" class="form-select">
                            <option value="">-- Select Type --</option>
                            @foreach($loanTypes as $lt)
                            <option value="{{ $lt->loan_type }}"
                                data-days="{{ $lt->duration_days }}"
                                data-charge="{{ $lt->charge_percent }}"
                                data-payterm="{{ $lt->pay_term }}"
                                {{ $member->loan_type === $lt->loan_type ? 'selected' : '' }}>
                                {{ $lt->loan_type }}
                            </option>
                            @endforeach
                        </select>
                    </div>
                    <div class="col-md-4">
                        <label>Loan Amount <span class="text-danger">*</span></label>
                        <div class="input-group">
                            <span class="input-group-text bg-light">৳</span>
                            <input type="number" name="loan_amount" id="loan_amount"
                                   class="form-control @error('loan_amount') is-invalid @enderror"
                                   step="1" min="1"
                                   value="{{ old('loan_amount', $member->loan_amount) }}">
                        </div>
                        @error('loan_amount')<span class="text-danger small">{{ $message }}</span>@enderror
                    </div>
                    <div class="col-md-4">
                        <label>Pay Term <small class="text-muted">(no. of instalments)</small></label>
                        <input type="number" name="pay_term" id="pay_term" class="form-control"
                               min="1" value="{{ old('pay_term', $member->pay_term) }}">
                    </div>
                </div>
                <div class="row mb-3">
                    <div class="col-md-4">
                        <label>Duration (Days)</label>
                        <input type="number" name="loan_duration" id="loan_duration" class="form-control"
                               min="1" value="{{ old('loan_duration', $member->loan_duration) }}">
                    </div>
                    <div class="col-md-4">
                        <label>Interest / Charge (%)</label>
                        <div class="input-group">
                            <input type="number" name="interest_rate" id="interest_rate" class="form-control"
                                   step="0.01" min="0"
                                   value="{{ old('interest_rate', $member->interest_rate) }}">
                            <span class="input-group-text bg-light">%</span>
                        </div>
                    </div>
                </div>

                {{-- ── Loan Summary ── --}}
                <div class="section-heading"><i class="bi bi-calculator-fill"></i> Loan Summary</div>
                <div class="row mb-3 g-3">
                    <div class="col-md-3">
                        <label>Expire Date</label>
                        <input type="text" id="preview_expire" class="form-control bg-light" readonly
                               value="{{ $member->expire_date ? \Carbon\Carbon::parse($member->expire_date)->format('d-m-Y') : '' }}">
                    </div>
                    <div class="col-md-3">
                        <label>Total Amount to Pay (৳)</label>
                        <input type="text" id="preview_total" class="form-control bg-light fw-bold" readonly
                               value="{{ $member->total_amount_topay ? number_format($member->total_amount_topay, 2) : '' }}"
                               style="color:#dc3545;">
                    </div>
                    <div class="col-md-3">
                        <label>Instalment Amount (৳)</label>
                        <input type="text" id="preview_installment" class="form-control bg-light fw-bold"
                               value="{{ $member->installment ? number_format($member->installment, 2) : '' }}"
                               style="color:#0f4c35;">
                    </div>
                    <div class="col-md-3">
                        <label>Profit / Charge Amount (৳)</label>
                        <input type="text" id="preview_profit" class="form-control bg-light" readonly
                               value="{{ $member->profit_amount ? number_format($member->profit_amount, 2) : '' }}"
                               style="color:#92400e;">
                    </div>
                </div>

                {{-- ── Repayment Status ── --}}
                <div class="section-heading"><i class="bi bi-graph-up"></i> Repayment Status</div>
                <div class="row mb-3 g-3">
                    <div class="col-md-3">
                        <label>Paid Amount (৳)</label>
                        <div class="input-group">
                            <span class="input-group-text bg-light">৳</span>
                            <input type="number" name="paid_amount" class="form-control" step="0.01" min="0"
                                   value="{{ old('paid_amount', $member->paid_amount) }}">
                        </div>
                    </div>
                    <div class="col-md-3">
                        <label>Principal Due (৳)</label>
                        <div class="input-group">
                            <span class="input-group-text bg-light">৳</span>
                            <input type="number" name="principal_due" class="form-control" step="0.01" min="0"
                                   value="{{ old('principal_due', $member->principal_due) }}">
                        </div>
                    </div>
                    <div class="col-md-3">
                        <label>Profit Due (৳)</label>
                        <div class="input-group">
                            <span class="input-group-text bg-light">৳</span>
                            <input type="number" name="profit_due" class="form-control" step="0.01" min="0"
                                   value="{{ old('profit_due', $member->profit_due) }}">
                        </div>
                    </div>
                    <div class="col-md-3">
                        <label>Terms Due</label>
                        <input type="number" name="term_due" class="form-control" min="0"
                               value="{{ old('term_due', $member->term_due) }}">
                    </div>
                </div>

                {{-- ── Member Info (read-only from member_infos) ── --}}
                @php $mi = $member->memberInfo; @endphp
                <div class="section-heading"><i class="bi bi-person-lines-fill"></i> Member Information <small class="text-muted fw-normal ms-1">(from GSS record)</small></div>
                @if($mi)
                <div class="row g-2 mb-3">
                    <div class="col-md-3">
                        <label class="text-muted small">Father / Husband</label>
                        <div class="form-control bg-light">{{ $mi->fat_hus_name ?? '—' }}</div>
                    </div>
                    <div class="col-md-3">
                        <label class="text-muted small">Mother's Name</label>
                        <div class="form-control bg-light">{{ $mi->mother_name ?? '—' }}</div>
                    </div>
                    <div class="col-md-3">
                        <label class="text-muted small">Mobile</label>
                        <div class="form-control bg-light">{{ $mi->member_mobile ?? '—' }}</div>
                    </div>
                    <div class="col-md-3">
                        <label class="text-muted small">NID</label>
                        <div class="form-control bg-light">{{ $mi->member_nid ?? '—' }}</div>
                    </div>
                    <div class="col-md-6 mt-2">
                        <label class="text-muted small">Address</label>
                        <div class="form-control bg-light">{{ $mi->member_address ?? '—' }}</div>
                    </div>
                    <div class="col-md-3 mt-2">
                        <label class="text-muted small">Occupation</label>
                        <div class="form-control bg-light">{{ $mi->member_occupation ?? '—' }}</div>
                    </div>
                    <div class="col-md-3 mt-2">
                        <label class="text-muted small">Date of Birth</label>
                        <div class="form-control bg-light">
                            {{ $mi->member_dob ? \Carbon\Carbon::parse($mi->member_dob)->format('d M Y') : '—' }}
                        </div>
                    </div>
                    @if($mi->photo)
                    <div class="col-md-2 mt-2">
                        <label class="text-muted small">Photo</label><br>
                        <img src="{{ asset($mi->photo) }}" class="rounded-circle img-thumbnail"
                             style="width:60px;height:60px;object-fit:cover;">
                    </div>
                    @endif
                </div>
                @else
                <div class="alert alert-warning py-2 small mb-3">
                    <i class="bi bi-exclamation-triangle me-1"></i>
                    GSS member record not found for account <strong>{{ $member->account_number }}</strong>.
                </div>
                @endif

                {{-- ── Guarantor ── --}}
                @php $guarantor = $member->guarantors->first(); @endphp
                <div class="section-heading"><i class="bi bi-person-check-fill"></i> Guarantor Information</div>
                <div class="guarantor-card mb-3">
                    <div class="row mb-3">
                        <div class="col-md-6">
                            <label>Guarantor Name</label>
                            <input type="text" name="guarantor_name" class="form-control"
                                   value="{{ old('guarantor_name', $guarantor->guarantor_name ?? '') }}" placeholder="Full name">
                        </div>
                        <div class="col-md-6">
                            <label>Relation with Loanee</label>
                            <select name="guarantor_relation" class="form-select">
                                <option value="">-- Select Relation --</option>
                                @foreach(['Spouse','Father','Mother','Brother','Sister','Son','Daughter','Relative','Friend','Colleague','Other'] as $rel)
                                <option value="{{ $rel }}" {{ ($guarantor->guarantor_relation ?? '') === $rel ? 'selected' : '' }}>{{ $rel }}</option>
                                @endforeach
                            </select>
                        </div>
                    </div>
                    <div class="row mb-3">
                        <div class="col-md-4">
                            <label>Mobile Number</label>
                            <input type="text" name="guarantor_mobile" class="form-control"
                                   value="{{ old('guarantor_mobile', $guarantor->guarantor_mobile ?? '') }}">
                        </div>
                        <div class="col-md-4">
                            <label>NID Number</label>
                            <input type="text" name="guarantor_nid" class="form-control"
                                   value="{{ old('guarantor_nid', $guarantor->guarantor_nid ?? '') }}">
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-12">
                            <label>Address</label>
                            <textarea name="guarantor_address" class="form-control" rows="2">{{ old('guarantor_address', $guarantor->guarantor_address ?? '') }}</textarea>
                        </div>
                    </div>
                </div>

                <div class="d-flex justify-content-between mt-4">
                    <a href="{{ route('loanmember.info.index') }}" class="btn btn-outline-secondary px-4" style="border-radius:10px;">
                        <i class="bi bi-arrow-left me-1"></i> Back to List
                    </a>
                    <button type="submit" class="btn btn-danger px-5 py-2" style="border-radius:10px; font-weight:600;">
                        <i class="bi bi-save2 me-1"></i> Update Loan Member
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
document.addEventListener("DOMContentLoaded", function () {

    // ── Loan type auto-fill ──
    document.getElementById('loan_type').addEventListener('change', function () {
        const opt = this.options[this.selectedIndex];
        if (opt.dataset.days)    document.getElementById('loan_duration').value = opt.dataset.days;
        if (opt.dataset.charge)  document.getElementById('interest_rate').value = opt.dataset.charge;
        if (opt.dataset.payterm) document.getElementById('pay_term').value      = opt.dataset.payterm;
        recalculate();
    });

    // ── Live loan summary ──
    function recalculate() {
        const principal    = parseFloat(document.getElementById('loan_amount').value)   || 0;
        const charge       = parseFloat(document.getElementById('interest_rate').value) || 0;
        const payTerm      = parseInt(document.getElementById('pay_term').value)        || 0;
        const durationDays = parseInt(document.getElementById('loan_duration').value)   || 0;

        const total      = principal + (principal * charge * 0.01);
        const profit     = total - principal;
        const instalment = payTerm > 0 ? total / payTerm : 0;
        const fmt = n => n > 0 ? n.toLocaleString('en-IN', {minimumFractionDigits:2, maximumFractionDigits:2}) : '';

        document.getElementById('preview_total').value       = principal > 0 ? fmt(total)      : '';
        document.getElementById('preview_profit').value      = principal > 0 ? fmt(profit)     : '';
        document.getElementById('preview_installment').value = instalment > 0 ? fmt(instalment): '';

        const openingRaw = document.getElementById('opening_date').value;
        if (openingRaw && durationDays > 0) {
            const parts    = openingRaw.split('-');
            const loanDate = new Date(`${parts[2]}-${parts[1]}-${parts[0]}`);
            loanDate.setDate(loanDate.getDate() + durationDays);
            const dd = String(loanDate.getDate()).padStart(2,'0');
            const mm = String(loanDate.getMonth()+1).padStart(2,'0');
            document.getElementById('preview_expire').value = `${dd}-${mm}-${loanDate.getFullYear()}`;
        }
    }

    document.getElementById('loan_amount').addEventListener('input', recalculate);
    document.getElementById('interest_rate').addEventListener('input', recalculate);
    document.getElementById('pay_term').addEventListener('input', recalculate);
    document.getElementById('loan_duration').addEventListener('input', recalculate);
    document.getElementById('opening_date').addEventListener('change', recalculate);
});

</script>

@endsection