<?php

namespace App\Livewire;

use Livewire\Component;
use Livewire\Attributes\Layout;
use App\Models\Project;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Gate;

#[Layout('layouts.app')]
class ProjectForm extends Component
{
    public ?Project $project = null;

    // Identification
    public string $name      = '';
    public string $reference = '';
    public string $status    = 'planning';

    // Location
    public string $address = '';
    public string $country = '';
    public string $lat     = '';
    public string $lng     = '';

    // Planning
    public string $startDate          = '';
    public string $endDateEstimated   = '';

    public function mount(?Project $project = null): void
    {
        if ($project && $project->exists) {
            Gate::authorize('edit projects', $project);
            $this->project          = $project;
            $this->name             = $project->name;
            $this->reference        = $project->reference  ?? '';
            $this->status           = $project->status;
            $this->address          = $project->address;
            $this->country          = $project->country    ?? '';
            $this->lat              = (string) ($project->lat ?? '');
            $this->lng              = (string) ($project->lng ?? '');
            $this->startDate        = $project->start_date->format('Y-m-d');
            $this->endDateEstimated = $project->end_date_estimated?->format('Y-m-d') ?? '';
        } else {
            Gate::authorize('create projects');
            $this->startDate = today()->format('Y-m-d');
        }
    }

    // Called from JS after map click / marker drag + reverse geocode
    public function setLocation(string $lat, string $lng, string $address = '', string $country = ''): void
    {
        $this->lat = $lat;
        $this->lng = $lng;
        if ($address) $this->address = $address;
        if ($country) $this->country = strtolower($country);
    }

    protected function rules(): array
    {
        return [
            'name'             => 'required|string|max:255',
            'reference'        => 'nullable|string|max:100',
            'status'           => 'required|in:planning,in_progress,paused,completed',
            'address'          => 'required|string',
            'country'          => 'nullable|string|size:2',
            'lat'              => 'nullable|numeric|between:-90,90',
            'lng'              => 'nullable|numeric|between:-180,180',
            'startDate'        => 'required|date',
            'endDateEstimated' => 'nullable|date|after_or_equal:startDate',
        ];
    }

    protected $validationAttributes = [
        'name'             => 'nombre',
        'reference'        => 'referencia',
        'status'           => 'estado',
        'address'          => 'dirección',
        'country'          => 'país',
        'lat'              => 'latitud',
        'lng'              => 'longitud',
        'startDate'        => 'fecha de inicio',
        'endDateEstimated' => 'fecha de fin estimada',
    ];

    public function save(): void
    {
        $this->validate();

        $data = [
            'name'               => $this->name,
            'reference'          => $this->reference   ?: null,
            'status'             => $this->status,
            'address'            => $this->address,
            'country'            => $this->country      ?: null,
            'lat'                => $this->lat          ?: null,
            'lng'                => $this->lng          ?: null,
            'start_date'         => $this->startDate,
            'end_date_estimated' => $this->endDateEstimated ?: null,
        ];

        if ($this->project && $this->project->exists) {
            $this->project->update($data);
            session()->flash('notify', 'Proyecto actualizado correctamente.');
        } else {
            $project = Project::create(array_merge($data, ['created_by' => Auth::id()]));
            $project->users()->attach(Auth::id(), ['role_in_project' => 'supervisor']);
            session()->flash('notify', 'Proyecto creado correctamente.');
        }

        $this->redirect(route('projects.index'), navigate: true);
    }

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

    /**
     * ISO alpha-2 (lowercase, matches flagcdn) => display name.
     */
    private function countryList(): array
    {
        return [
            'es' => 'España', 'pt' => 'Portugal', 'fr' => 'Francia', 'it' => 'Italia',
            'de' => 'Alemania', 'gb' => 'Reino Unido', 'ie' => 'Irlanda', 'nl' => 'Países Bajos',
            'be' => 'Bélgica', 'ch' => 'Suiza', 'at' => 'Austria', 'lu' => 'Luxemburgo',
            'se' => 'Suecia', 'no' => 'Noruega', 'dk' => 'Dinamarca', 'fi' => 'Finlandia',
            'pl' => 'Polonia', 'cz' => 'Chequia', 'gr' => 'Grecia', 'ro' => 'Rumanía',
            'us' => 'Estados Unidos', 'ca' => 'Canadá', 'mx' => 'México', 'gt' => 'Guatemala',
            'cr' => 'Costa Rica', 'pa' => 'Panamá', 'co' => 'Colombia', 've' => 'Venezuela',
            'ec' => 'Ecuador', 'pe' => 'Perú', 'bo' => 'Bolivia', 'cl' => 'Chile',
            'ar' => 'Argentina', 'uy' => 'Uruguay', 'py' => 'Paraguay', 'br' => 'Brasil',
            'do' => 'República Dominicana', 'ma' => 'Marruecos', 'gq' => 'Guinea Ecuatorial',
            'ao' => 'Angola', 'cv' => 'Cabo Verde', 'us' => 'Estados Unidos',
        ];
    }
}