<?php

namespace App\Livewire\Client;

use Livewire\Component;
use App\Models\Project;
use App\Models\ChangeOrder;

class ClientProjects extends Component
{
    public $projects   = [];
    public $selectedProject = null;
    public $projectDetails  = [];
    public $galleryImages   = [];
    public $changeOrders    = [];

    public function mount()
    {
        $this->loadProjects();
    }

    public function loadProjects()
    {
        $user = auth()->user();
        $this->projects = $user->projects()
            ->wherePivot('role_in_project', 'client')
            ->with(['phases' => function ($query) {
                $query->select('id', 'project_id', 'name', 'progress_percent');
            }])
            ->get()
            ->toArray();
    }

    /**
     * Return only project IDs the current user can access as client.
     */
    private function accessibleProjectIds(): \Illuminate\Support\Collection
    {
        return auth()->user()->projects()
            ->wherePivot('role_in_project', 'client')
            ->pluck('projects.id');
    }

    public function selectProject($projectId)
    {
        // Verify the project is one the user is a client on
        if (!$this->accessibleProjectIds()->contains((int) $projectId)) {
            abort(403);
        }
        $this->selectedProject = (int) $projectId;
        $this->loadProjectDetails();
    }

    public function loadProjectDetails()
    {
        if (!$this->selectedProject) {
            return;
        }

        // Re-verify ownership on every load
        if (!$this->accessibleProjectIds()->contains($this->selectedProject)) {
            abort(403);
        }

        $project = Project::with([
            'phases',
            'changeOrders',
        ])->find($this->selectedProject);

        if (!$project) {
            return;
        }

        $this->projectDetails = [
            'id'         => $project->id,
            'name'       => $project->name,
            'description'=> $project->description ?? '',
            'start_date' => $project->start_date,
            'end_date'   => $project->end_date_estimated,
            'status'     => $project->status,
            'progress'   => round($project->phases->avg('progress_percent') ?? 0),
        ];

        $mediaImages = $project->media()
            ->where('category', 'image')
            ->latest()
            ->take(3)
            ->get()
            ->map(fn ($media) => [
                'url'   => $media->url,
                'title' => $media->name,
                'date'  => $media->created_at->format('d/m/Y'),
            ])
            ->toArray();

        $this->galleryImages = $mediaImages ?: [];

        $this->changeOrders = $project->changeOrders
            ->sortByDesc('requested_at')
            ->map(fn ($order) => [
                'id'           => $order->id,
                'title'        => $order->title,
                'description'  => $order->description,
                'status'       => $order->status,
                'requested_at' => $order->requested_at?->format('d/m/Y') ?? '',
                'amount'       => $order->amount,
            ])
            ->values()
            ->toArray();
    }

    public function approveChangeOrder($orderId)
    {
        $changeOrder = ChangeOrder::where('id', $orderId)
            ->where('project_id', $this->selectedProject)
            ->first();

        if (!$changeOrder) {
            abort(403);
        }

        // Verify this project is accessible by the current user
        if (!$this->accessibleProjectIds()->contains($this->selectedProject)) {
            abort(403);
        }

        $changeOrder->update([
            'status'       => 'approved',
            'responded_at' => now()->toDateString(),
            'responded_by' => auth()->id(),
        ]);

        $this->loadProjectDetails();
        $this->dispatch('changeOrderUpdated', ['id' => $orderId, 'status' => 'approved']);
    }

    public function rejectChangeOrder($orderId)
    {
        $changeOrder = ChangeOrder::where('id', $orderId)
            ->where('project_id', $this->selectedProject)
            ->first();

        if (!$changeOrder) {
            abort(403);
        }

        // Verify this project is accessible by the current user
        if (!$this->accessibleProjectIds()->contains($this->selectedProject)) {
            abort(403);
        }

        $changeOrder->update([
            'status'       => 'rejected',
            'responded_at' => now()->toDateString(),
            'responded_by' => auth()->id(),
        ]);

        $this->loadProjectDetails();
        $this->dispatch('changeOrderUpdated', ['id' => $orderId, 'status' => 'rejected']);
    }

    public function render()
    {
        return view('livewire.client.client-projects');
    }
}