<?php

namespace App\Livewire;

use Livewire\Component;
use Illuminate\Support\Facades\Auth;
use App\Models\Project;
use App\Models\Phase;
use App\Models\Layer;
use App\Models\Feature;
use App\Models\Inspection;
use App\Models\InspectionTemplate;

class ProjectMap extends Component
{
    public Project $project;
    public $phases;
    public $activeLayers = [];
    public $showLayerModal = false;

    // Editor properties
    public $selectedFeature = null;  // será instancia de Feature
    public $selectedPhaseId = null;
    public $editProgress = 0;
    public $editComment = '';
    public $editResponsible = '';
    public $editPhotos = [];
    public $formFullscreen = false;

    // Templates e inspecciones
    public $templates = [];
    public $selectedTemplateId = null;
    public $inspectionFormData = [];
    public $inspectionHistory = [];

    // Imágenes en mapa
    public $showFeatureImages = false;
    public $featureImageMarkers = [];

    public function mount(Project $project)
    {
        $this->project = $project;
        // Cargar fases con sus capas y los features de esas capas (para mostrarlos en el mapa)
        $this->phases = $project->phases()->with(['layers' => function ($q) {
            $q->withCount('features');
        }, 'layers.features'])->get();
        // Por defecto mostrar todas las capas activas (todas las fases que tengan alguna capa con features)
        $this->activeLayers = $this->phases->pluck('id')->toArray();
        $this->loadTemplates();
    }

    public function loadTemplates()
    {
        $this->templates = InspectionTemplate::where('project_id', $this->project->id)->get();
    }

    public function toggleLayer($phaseId)
    {
        if (in_array($phaseId, $this->activeLayers)) {
            $this->activeLayers = array_diff($this->activeLayers, [$phaseId]);
        } else {
            $this->activeLayers[] = $phaseId;
        }
        $this->dispatch('layersUpdated', $this->activeLayers);
    }

    public function openLayerModal()
    {
        $this->showLayerModal = true;
    }

    public function closeLayerModal()
    {
        $this->showLayerModal = false;
    }

    /**
     * Actualizar el progreso de un Feature y recalcular el progreso de la fase.
     */
    public function updateProgress($featureId, $newProgress, $comment = null)
    {
        $feature = Feature::findOrFail($featureId);
        $user = Auth::user();

        if (!$user->can('update progress') && !$user->hasRole('Admin')) {
            $this->dispatch('notify', 'Sin permisos');
            return;
        }

        $oldProgress = $feature->progress;
        $feature->progress = min(100, max(0, $newProgress));
        $feature->save();

        // Recalcular el progreso de la fase (promedio de todos sus features)
        $phase = Phase::find($feature->layer->phase_id);
        $phase->progress_percent = $phase->features()->avg('progress') ?: 0;
        $phase->save();

        // Registrar la actualización en progress_updates
        $phase->progressUpdates()->create([
            'user_id' => $user->id,
            'progress_percent' => $phase->progress_percent,
            'comment' => $comment,
        ]);

        $this->dispatch('progressUpdated', $featureId, $feature->progress);
        $this->dispatch('notify', 'Progreso actualizado');

        // Si el feature seleccionado es el mismo, actualizar la propiedad local
        if ($this->selectedFeature && $this->selectedFeature->id == $featureId) {
            $this->selectedFeature->progress = $feature->progress;
            $this->editProgress = $feature->progress;
        }
    }

    /**
     * Seleccionar un Feature al hacer clic en el mapa.
     */
    public function selectFeature($featureId)
    {
        $this->selectedFeature = null;
        $feature = Feature::with('template')->find($featureId);
        if (!$feature) return;

        $this->selectedFeature = $feature;
        $this->selectedPhaseId = $feature->layer->phase_id;
        $this->editProgress = $feature->progress;
        $this->editResponsible = $feature->responsible ?? '';
        $this->editPhotos = $feature->properties['photos'] ?? [];
        $this->selectedTemplateId = $feature->template_id;

        $this->loadInspectionHistory();
        $this->resetInspectionForm();

        $this->dispatch('featureSelected', $featureId);
    }

    /**
     * Cargar el historial de inspecciones del feature seleccionado.
     */
    public function loadInspectionHistory()
    {
        if (!$this->selectedFeature) {
            $this->inspectionHistory = [];
            return;
        }
        $this->inspectionHistory = Inspection::where('feature_id', $this->selectedFeature->id)
            ->with('user', 'template')
            ->orderBy('created_at', 'desc')
            ->get();
    }

    /**
     * Reiniciar el formulario de inspección según el template seleccionado.
     */
    public function resetInspectionForm()
    {
        $this->inspectionFormData = [];
        if ($this->selectedTemplateId) {
            $template = InspectionTemplate::find($this->selectedTemplateId);
            if ($template) {
                foreach ($template->fields as $field) {
                    $this->inspectionFormData[$field['name']] = '';
                }
            }
        }
    }

    /**
     * Guardar una nueva inspección.
     */
    public function saveInspection()
    {
        if (!$this->selectedFeature || !$this->selectedTemplateId) {
            $this->dispatch('notify', 'Selecciona un elemento y un template.');
            return;
        }

        $this->validate([
            'selectedTemplateId' => 'required|exists:inspection_templates,id',
        ]);

        $template = InspectionTemplate::find($this->selectedTemplateId);
        foreach ($template->fields as $field) {
            if (($field['required'] ?? false) && empty($this->inspectionFormData[$field['name']])) {
                $this->dispatch('notify', "El campo {$field['label']} es obligatorio.");
                return;
            }
        }

        $inspection = Inspection::create([
            'project_id' => $this->project->id,
            'layer_id' => $this->selectedFeature->layer_id,
            'feature_id' => $this->selectedFeature->id,
            'template_id' => $this->selectedTemplateId,
            'user_id' => auth()->id(),
            'data' => $this->inspectionFormData,
        ]);

        // Si el template tiene un campo llamado 'progress', actualizar el progreso del feature
        if (isset($this->inspectionFormData['progress'])) {
            $this->updateProgress($this->selectedFeature->id, (int)$this->inspectionFormData['progress'], 'Inspección registrada');
        }

        $this->loadInspectionHistory();
        $this->resetInspectionForm();
        $this->dispatch('notify', 'Inspección guardada correctamente');
    }

    /**
     * Asignar un template al feature seleccionado.
     */
    public function assignTemplateToFeature($templateId)
    {
        if (!$this->selectedFeature) return;

        $this->selectedFeature->template_id = $templateId;
        $this->selectedFeature->save();

        $this->selectedTemplateId = $templateId;
        $this->resetInspectionForm();
        $this->dispatch('notify', 'Template asignado al elemento');
    }

    /**
     * Guardar progreso y responsable del feature seleccionado.
     */
    public function saveFeatureProgress()
    {
        if (!$this->selectedFeature) return;

        $this->selectedFeature->progress = min(100, max(0, (int)$this->editProgress));
        $this->selectedFeature->responsible = $this->editResponsible;
        $this->selectedFeature->save();

        // Recalcular progreso de la fase
        $phase = Phase::find($this->selectedFeature->layer->phase_id);
        $phase->progress_percent = $phase->features()->avg('progress') ?: 0;
        $phase->save();

        $this->dispatch('progressUpdated', $phase->id, $phase->progress_percent);
        $this->dispatch('notify', 'Progreso guardado');
    }

    /**
     * Cuando cambia el template seleccionado, reiniciar el formulario.
     */
    public function onTemplateChange()
    {
        $this->resetInspectionForm();
    }

    /**
     * Toggle mostrar imágenes en el mapa.
     */
    public function toggleFeatureImages()
    {
        $this->showFeatureImages = !$this->showFeatureImages;
        $this->loadFeatureImageMarkers();
        $this->dispatch('featureImagesToggled', $this->showFeatureImages, $this->featureImageMarkers);
    }

    /**
     * Cargar marcadores de imágenes para el mapa.
     */
    public function loadFeatureImageMarkers()
    {
        if (!$this->showFeatureImages) {
            $this->featureImageMarkers = [];
            return;
        }

        $markers = [];
        foreach ($this->phases as $phase) {
            foreach ($phase->layers as $layer) {
                foreach ($layer->features as $feature) {
                    $image = $feature->images()->first();
                    if ($image) {
                        $geo = $feature->geometry;
                        $coords = null;
                        if ($geo && isset($geo['coordinates'])) {
                            if ($geo['type'] === 'Point') {
                                $coords = [
                                    'lat' => $geo['coordinates'][1],
                                    'lng' => $geo['coordinates'][0],
                                ];
                            } elseif (in_array($geo['type'], ['Polygon', 'LineString'])) {
                                $coords = [
                                    'lat' => $geo['coordinates'][0][1] ?? null,
                                    'lng' => $geo['coordinates'][0][0] ?? null,
                                ];
                            }
                        }
                        if ($coords && $coords['lat'] && $coords['lng']) {
                            $markers[] = [
                                'feature_id' => $feature->id,
                                'name' => $feature->name,
                                'lat' => $coords['lat'],
                                'lng' => $coords['lng'],
                                'image_url' => $image->url,
                                'image_name' => $image->name,
                            ];
                        }
                    }
                }
            }
        }
        $this->featureImageMarkers = $markers;
    }

    public function toggleFullscreen()
    {
        $this->formFullscreen = !$this->formFullscreen;
        if (!$this->formFullscreen) {
            $this->dispatch('mapResize');
        }
    }

    public function render()
    {
        return view('livewire.projects.project-map', [
            'project' => $this->project,
            'phases' => $this->phases,
        ]);
    }
}