<?php

namespace App\Livewire;

use App\Models\Phase;
use App\Models\Project;
use Illuminate\Support\Facades\Auth;
use Livewire\Attributes\On;
use Livewire\Component;

class PhaseList extends Component
{
    public Project $project;

    // Modal state
    public bool $showForm = false;
    public $editingId = null;

    // Form fields
    public string $name = '';
    public string $description = '';
    public string $color = '#3b82f6';
    public int $order = 1;
    public int $progressPercent = 0;
    public string $plannedStart = '';
    public string $plannedEnd = '';
    public string $actualStart = '';
    public string $actualEnd = '';

    public function mount(Project $project)
    {
        $this->project = $project;
    }

    protected function rules(): array
    {
        return [
            'name'            => 'required|string|max:255',
            'description'     => 'nullable|string',
            'color'           => 'required|string|max:7',
            'order'           => 'required|integer|min:0',
            'progressPercent' => 'required|integer|min:0|max:100',
            'plannedStart'    => 'nullable|date',
            'plannedEnd'      => 'nullable|date|after_or_equal:plannedStart',
            'actualStart'     => 'nullable|date',
            'actualEnd'       => 'nullable|date|after_or_equal:actualStart',
        ];
    }

    protected $validationAttributes = [
        'name'            => 'nombre',
        'color'           => 'color',
        'order'           => 'orden',
        'progressPercent' => 'progreso',
        'plannedStart'    => 'inicio previsto',
        'plannedEnd'      => 'fin previsto',
        'actualStart'     => 'inicio real',
        'actualEnd'       => 'fin real',
    ];

    public function openForm($phaseId = null): void
    {
        abort_unless(Auth::user()->can('manage phases'), 403);
        $this->resetForm();

        if ($phaseId) {
            $phase = $this->project->phases()->findOrFail($phaseId);
            $this->editingId       = $phase->id;
            $this->name            = $phase->name;
            $this->description     = $phase->description ?? '';
            $this->color           = $phase->color ?? '#3b82f6';
            $this->order           = (int) $phase->order;
            $this->progressPercent = (int) $phase->progress_percent;
            $this->plannedStart    = $phase->planned_start?->format('Y-m-d') ?? '';
            $this->plannedEnd      = $phase->planned_end?->format('Y-m-d') ?? '';
            $this->actualStart     = $phase->actual_start?->format('Y-m-d') ?? '';
            $this->actualEnd       = $phase->actual_end?->format('Y-m-d') ?? '';
        } else {
            $this->order = (int) $this->project->phases()->max('order') + 1;
            $this->color = '#' . substr(md5((string) rand()), 0, 6);
        }

        $this->showForm = true;
    }

    /** Opened from the table's edit button. */
    #[On('phase-edit')]
    public function editPhase($id): void
    {
        $this->openForm($id);
    }

    public function closeForm(): void
    {
        $this->showForm = false;
        $this->resetForm();
    }

    private function resetForm(): void
    {
        $this->reset([
            'editingId', 'name', 'description', 'plannedStart', 'plannedEnd', 'actualStart', 'actualEnd',
        ]);
        $this->color = '#3b82f6';
        $this->order = 1;
        $this->progressPercent = 0;
        $this->resetErrorBag();
    }

    public function save(): void
    {
        abort_unless(Auth::user()->can('manage phases'), 403);
        $this->validate();

        $data = [
            'name'             => $this->name,
            'description'      => $this->description ?: null,
            'color'            => $this->color,
            'order'            => $this->order,
            'progress_percent' => $this->progressPercent,
            'planned_start'    => $this->plannedStart ?: null,
            'planned_end'      => $this->plannedEnd ?: null,
            'actual_start'     => $this->actualStart ?: null,
            'actual_end'       => $this->actualEnd ?: null,
        ];

        if ($this->editingId) {
            $this->project->phases()->findOrFail($this->editingId)->update($data);
        } else {
            $this->project->phases()->create($data);
        }

        $this->closeForm();
        $this->dispatch('phases-changed');
        $this->dispatch('notify', 'Fase guardada correctamente');
    }

    public function render()
    {
        return view('livewire.phase-list');
    }
}