{{-- Edit Task (Admin Only) --}}
@extends('layouts.app')

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

@push('styles')
<style>
    .task-form-card { background:#1a2035; border-radius:12px; padding:2rem; max-width:680px; }
    .form-label-task { font-size:.78rem; color:#9ca3af; text-transform:uppercase;
        letter-spacing:.07em; font-weight:600; margin-bottom:.35rem; display:block; }
    .form-control-task { background:#111827; border:1px solid rgba(255,255,255,.1); color:#f3f4f6;
        border-radius:7px; padding:9px 14px; width:100%; font-size:.88rem; }
    .form-control-task:focus { outline:none; border-color:#3b82f6; box-shadow:0 0 0 3px rgba(59,130,246,.15); }
    .form-control-task option { background:#111827; }
    .role-user-row { display:grid; grid-template-columns:1fr 1fr; gap:.75rem; }
    .btn-submit { background:#3b82f6; color:#fff; border:none; padding:10px 24px;
        border-radius:7px; font-size:.88rem; font-weight:600; cursor:pointer; }
    .btn-cancel { background:rgba(255,255,255,.06); color:#9ca3af; border:1px solid rgba(255,255,255,.1);
        padding:10px 20px; border-radius:7px; font-size:.88rem; text-decoration:none; }
</style>
@endpush

@section('content')
<div class="container-fluid px-4 py-4">
    <div class="d-flex align-items-center gap-3 mb-3">
        <a href="{{ route('tasks.show', $task) }}" style="color:#6b7280;text-decoration:none;">← Back</a>
        <h2 class="text-white mb-0">Edit Task</h2>
    </div>

    <div class="task-form-card">
        @if($errors->any())
        <div style="background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:7px;
                    padding:1rem;margin-bottom:1.25rem;color:#f87171;font-size:.83rem;">
            <ul class="mb-0 ps-3">
                @foreach($errors->all() as $e)<li>{{ $e }}</li>@endforeach
            </ul>
        </div>
        @endif

        <form method="POST" action="{{ route('tasks.update', $task) }}">
            @csrf @method('PUT')

            <div class="mb-3">
                <label class="form-label-task">Link to Job (optional)</label>
                <select name="job_id" class="form-control-task">
                    <option value="">— No job —</option>
                    @foreach(\App\Models\Job::orderBy('job_number','desc')->limit(200)->get() as $j)
                    <option value="{{ $j->id }}" {{ old('job_id', $task->job_id) == $j->id ? 'selected' : '' }}>
                        {{ $j->job_number ?? 'J-'.$j->id }} — {{ $j->client_name ?? $j->name ?? '' }}
                    </option>
                    @endforeach
                </select>
            </div>

            <div class="mb-3">
                <label class="form-label-task">Task Title *</label>
                <input type="text" name="title" class="form-control-task"
                       value="{{ old('title', $task->title) }}" required>
            </div>

            <div class="mb-3">
                <label class="form-label-task">Description</label>
                <textarea name="description" class="form-control-task" rows="4">{{ old('description', $task->description) }}</textarea>
            </div>

            {{-- Role → User selection --}}
            <div class="mb-3">
                <label class="form-label-task">Assign To *</label>
                <div class="role-user-row">
                    <div>
                        <label style="font-size:.73rem;color:#6b7280;display:block;margin-bottom:.25rem;">Filter by Role</label>
                        <select id="roleSelect" class="form-control-task" onchange="filterUsersByRole(this.value)">
                            <option value="">All Roles</option>
                            @foreach($roles as $role)
                            <option value="{{ $role->id }}"
                                {{ optional($task->assignee)->role_id === $role->id ? 'selected' : '' }}>
                                {{ ucwords(str_replace('_',' ',$role->name)) }}
                            </option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label style="font-size:.73rem;color:#6b7280;display:block;margin-bottom:.25rem;">Select User *</label>
                        <select name="assigned_to" id="userSelect" class="form-control-task" required>
                            @foreach(\App\Models\User::orderBy('name')->get() as $u)
                            <option value="{{ $u->id }}"
                                    data-role="{{ $u->role_id }}"
                                    {{ old('assigned_to', $task->assigned_to) == $u->id ? 'selected' : '' }}>
                                {{ $u->name }} 
                            </option>
                            @endforeach
                        </select>
                    </div>
                </div>
            </div>

            <div class="row g-3 mb-3">
                <div class="col-6">
                    <label class="form-label-task">Priority *</label>
                    <select name="priority" class="form-control-task" required>
                        <option value="high"   {{ old('priority',$task->priority)==='high'  ?'selected':'' }}>High</option>
                        <option value="medium" {{ old('priority',$task->priority)==='medium'?'selected':'' }}>Medium</option>
                        <option value="low"    {{ old('priority',$task->priority)==='low'   ?'selected':'' }}>Low</option>
                    </select>
                </div>
                <div class="col-6">
                    <label class="form-label-task">Due Date</label>
                    <input type="date" name="due_date" class="form-control-task"
                           value="{{ old('due_date', $task->due_date?->format('Y-m-d')) }}">
                </div>
            </div>

            <div class="mb-3">
                <label class="form-label-task">Status</label>
                <select name="status" class="form-control-task">
                    <option value="to_do"       {{ old('status',$task->status)==='to_do'      ?'selected':'' }}>To Do</option>
                    <option value="in_progress" {{ old('status',$task->status)==='in_progress'?'selected':'' }}>In Progress</option>
                    <option value="done"        {{ old('status',$task->status)==='done'       ?'selected':'' }}>Done</option>
                </select>
            </div>

            <div style="display:flex;gap:.75rem;margin-top:1.5rem;">
                <button type="submit" class="btn-submit">Save Changes</button>
                <a href="{{ route('tasks.show', $task) }}" class="btn-cancel">Cancel</a>
            </div>
        </form>
    </div>
</div>
@endsection

@push('scripts')
<script>
function filterUsersByRole(role) {
    const select = document.getElementById('userSelect');
    const current = select.value;
    let firstVisible = null;
    let currentVisible = false;

    select.querySelectorAll('option').forEach(opt => {
        const show = !role || opt.dataset.role === role;
        opt.style.display = show ? '' : 'none';
        if (show) {
            if (!firstVisible) firstVisible = opt.value;
            if (opt.value === current) currentVisible = true;
        }
    });

    if (!currentVisible && firstVisible) select.value = firstVisible;
}

// Apply current assignee's role on load
document.addEventListener('DOMContentLoaded', function () {
    const roleSelect = document.getElementById('roleSelect');
    if (roleSelect.value) filterUsersByRole(roleSelect.value);
});
</script>
@endpush