@extends('layouts.bootstrap')

@section('title', 'Edit Investment')

@section('content')
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <div class="d-flex justify-content-between align-items-center mb-4">
                <h1 class="h3 mb-0">
                    <i class="bi bi-pencil me-2"></i>Edit Investment
                </h1>
                <div class="btn-group" role="group">
                    <a href="{{ route('investments.show', $investment) }}" class="btn btn-outline-secondary">
                        <i class="bi bi-arrow-left me-1"></i>Back to Details
                    </a>
                    <a href="{{ route('investments.index') }}" class="btn btn-outline-secondary">
                        <i class="bi bi-list me-1"></i>All Investments
                    </a>
                </div>
            </div>
        </div>
    </div>

    <div class="row">
        <div class="col-lg-8">
            <div class="card">
                <div class="card-header">
                    <h5 class="card-title mb-0">Investment Details</h5>
                </div>
                <div class="card-body">
                    <form action="{{ route('investments.update', $investment) }}" method="POST" enctype="multipart/form-data">
                        @csrf
                        @method('PUT')
                        
                        <div class="row mb-3">
                            <div class="col-md-8">
                                <label for="title" class="form-label">Title <span class="text-danger">*</span></label>
                                <input type="text" class="form-control @error('title') is-invalid @enderror" 
                                       id="title" name="title" value="{{ old('title', $investment->title) }}" required>
                                @error('title')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-4">
                                <label for="amount" class="form-label">Amount <span class="text-danger">*</span></label>
                                <div class="input-group">
                                    <span class="input-group-text">$</span>
                                    <input type="number" class="form-control @error('amount') is-invalid @enderror" 
                                           id="amount" name="amount" value="{{ old('amount', $investment->amount) }}" 
                                           step="0.01" min="0.01" required>
                                    @error('amount')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                        </div>

                        <div class="mb-3">
                            <label for="description" class="form-label">Description</label>
                            <textarea class="form-control @error('description') is-invalid @enderror" 
                                      id="description" name="description" rows="3">{{ old('description', $investment->description) }}</textarea>
                            @error('description')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="row mb-3">
                            <div class="col-md-6">
                                <label for="type" class="form-label">Type <span class="text-danger">*</span></label>
                                <select class="form-select @error('type') is-invalid @enderror" 
                                        id="type" name="type" required>
                                    <option value="">Select Type</option>
                                    @foreach(\App\Models\Investment::getTypes() as $key => $label)
                                        <option value="{{ $key }}" {{ old('type', $investment->type) == $key ? 'selected' : '' }}>
                                            {{ $label }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('type')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-6">
                                <label for="status" class="form-label">Status <span class="text-danger">*</span></label>
                                <select class="form-select @error('status') is-invalid @enderror" 
                                        id="status" name="status" required>
                                    @foreach(\App\Models\Investment::getStatuses() as $key => $label)
                                        <option value="{{ $key }}" {{ old('status', $investment->status) == $key ? 'selected' : '' }}>
                                            {{ $label }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('status')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="row mb-3">
                            <div class="col-md-6">
                                <label for="source" class="form-label">Source/Institution</label>
                                <input type="text" class="form-control @error('source') is-invalid @enderror" 
                                       id="source" name="source" value="{{ old('source', $investment->source) }}" 
                                       placeholder="Bank, investor, or funding source">
                                @error('source')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-6">
                                <label for="reference_number" class="form-label">Reference Number</label>
                                <input type="text" class="form-control @error('reference_number') is-invalid @enderror" 
                                       id="reference_number" name="reference_number" value="{{ old('reference_number', $investment->reference_number) }}" 
                                       placeholder="Loan number or reference">
                                @error('reference_number')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="row mb-3">
                            <div class="col-md-4">
                                <label for="interest_rate" class="form-label">Interest Rate (%)</label>
                                <input type="number" class="form-control @error('interest_rate') is-invalid @enderror" 
                                       id="interest_rate" name="interest_rate" value="{{ old('interest_rate', $investment->interest_rate) }}" 
                                       step="0.01" min="0" max="100" placeholder="0.00">
                                @error('interest_rate')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-4">
                                <label for="term_months" class="form-label">Term (Months)</label>
                                <input type="number" class="form-control @error('term_months') is-invalid @enderror" 
                                       id="term_months" name="term_months" value="{{ old('term_months', $investment->term_months) }}" 
                                       min="1" placeholder="12">
                                @error('term_months')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-4">
                                <label for="start_date" class="form-label">Investment Date <span class="text-danger">*</span></label>
                                <input type="date" class="form-control @error('start_date') is-invalid @enderror"
                                       id="start_date" name="start_date" value="{{ old('start_date', $investment->start_date->format('Y-m-d')) }}" required>
                                @error('start_date')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="mb-3">
                            <label for="contract_file" class="form-label">Contract/Agreement</label>
                            @if($investment->contract_file)
                                <div class="mb-2">
                                    <small class="text-muted">Current file: </small>
                                    <a href="{{ Storage::url($investment->contract_file) }}" target="_blank" class="text-decoration-none">
                                        <i class="bi bi-file-earmark-pdf me-1"></i>View Current Document
                                    </a>
                                </div>
                            @endif
                            <input type="file" class="form-control @error('contract_file') is-invalid @enderror" 
                                   id="contract_file" name="contract_file" accept=".pdf,.jpg,.jpeg,.png">
                            <div class="form-text">Upload new contract or agreement (PDF, JPG, PNG - Max 5MB). Leave empty to keep current file.</div>
                            @error('contract_file')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="d-flex justify-content-end gap-2">
                            <a href="{{ route('investments.show', $investment) }}" class="btn btn-secondary">Cancel</a>
                            <button type="submit" class="btn btn-primary">
                                <i class="bi bi-check-circle me-1"></i>Update Investment
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>

        <div class="col-lg-4">
            <div class="card">
                <div class="card-header">
                    <h6 class="card-title mb-0">
                        <i class="bi bi-info-circle me-1"></i>Current Details
                    </h6>
                </div>
                <div class="card-body">
                    <div class="mb-3">
                        <h6 class="text-muted">Current Amount</h6>
                        <h4 class="text-primary">${{ number_format($investment->amount, 2) }}</h4>
                    </div>
                    
                    <div class="mb-3">
                        <h6 class="text-muted">Outstanding Balance</h6>
                        <h4 class="{{ $investment->outstanding_balance > 0 ? 'text-warning' : 'text-success' }}">
                            ${{ number_format($investment->outstanding_balance, 2) }}
                        </h4>
                    </div>

                    <div class="mb-3">
                        <h6 class="text-muted">Total Paid</h6>
                        <p class="text-success">${{ number_format($investment->total_paid, 2) }}</p>
                    </div>

                    <div class="mb-3">
                        <h6 class="text-muted">Current Status</h6>
                        <span class="badge {{ $investment->status_badge_class }}">{{ ucfirst($investment->status) }}</span>
                    </div>

                    <div class="mb-3">
                        <h6 class="text-muted">Created</h6>
                        <p class="small">{{ $investment->created_at->format('M d, Y g:i A') }}<br>
                        by {{ $investment->creator->name }}</p>
                    </div>

                    @if($investment->updated_at != $investment->created_at)
                        <div class="mb-3">
                            <h6 class="text-muted">Last Updated</h6>
                            <p class="small">{{ $investment->updated_at->format('M d, Y g:i A') }}<br>
                            by {{ $investment->updater->name }}</p>
                        </div>
                    @endif
                </div>
            </div>

            @if($investment->interest_rate && $investment->term_months)
                <div class="card mt-3">
                    <div class="card-header">
                        <h6 class="card-title mb-0">
                            <i class="bi bi-calculator me-1"></i>Loan Calculator
                        </h6>
                    </div>
                    <div class="card-body">
                        <div class="small">
                            <p>Current loan details:</p>
                            <div class="d-flex justify-content-between mb-1">
                                <span>Interest Rate:</span>
                                <strong>{{ $investment->interest_rate }}%</strong>
                            </div>
                            <div class="d-flex justify-content-between mb-1">
                                <span>Term:</span>
                                <strong>{{ $investment->term_months }} months</strong>
                            </div>
                            @if($investment->outstanding_balance > 0)
                                @php
                                    $monthlyRate = $investment->interest_rate / 100 / 12;
                                    $remainingMonths = $investment->term_months - floor($investment->total_paid / ($investment->amount / $investment->term_months));
                                    if ($remainingMonths > 0 && $monthlyRate > 0) {
                                        $monthlyPayment = $investment->outstanding_balance * ($monthlyRate * pow(1 + $monthlyRate, $remainingMonths)) / (pow(1 + $monthlyRate, $remainingMonths) - 1);
                                    } else {
                                        $monthlyPayment = $investment->outstanding_balance / max(1, $remainingMonths);
                                    }
                                @endphp
                                <div class="d-flex justify-content-between">
                                    <span>Monthly Payment:</span>
                                    <strong>${{ number_format($monthlyPayment, 2) }}</strong>
                                </div>
                            @endif
                        </div>
                    </div>
                </div>
            @endif

            <div class="card mt-3">
                <div class="card-header">
                    <h6 class="card-title mb-0">
                        <i class="bi bi-lightbulb me-1"></i>Tips
                    </h6>
                </div>
                <div class="card-body">
                    <div class="small">
                        <ul class="mb-0">
                            <li>Changes to amount may affect payment calculations</li>
                            <li>Upload new contracts to replace old ones</li>
                            <li>Status changes affect reporting and analytics</li>
                            <li>All changes are tracked for audit purposes</li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection