<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\Issue;
use App\Models\Project;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class ApiIssueController extends Controller
{
    /**
     * List issues for a project
     */
    public function index(Request $request, Project $project): JsonResponse
    {
        $this->authorizeProject($request, $project);

        $query = $project->issues();

        // Apply filters
        if ($status = $request->query('status')) {
            $query->where('status', $status);
        }

        if ($level = $request->query('level')) {
            $query->where('level', $level);
        }

        if ($environment = $request->query('environment')) {
            $query->whereHas('events', fn($q) => $q->where('environment', $environment));
        }

        // Pagination
        $perPage = min((int) $request->query('per_page', 25), 100);
        $issues = $query->orderBy('last_seen_at', 'desc')->paginate($perPage);

        return response()->json($issues);
    }

    /**
     * Get a specific issue
     */
    public function show(Request $request, Project $project, Issue $issue): JsonResponse
    {
        $this->authorizeProject($request, $project);
        abort_unless($issue->project_id === $project->id, 404);

        $issue->load('events');

        return response()->json($issue);
    }

    /**
     * Update issue status
     */
    public function update(Request $request, Project $project, Issue $issue): JsonResponse
    {
        $this->authorizeProject($request, $project);
        abort_unless($issue->project_id === $project->id, 404);

        $validated = $request->validate([
            'status' => 'required|in:resolved,unresolved,ignored,muted',
            'resolved_in_release' => 'nullable|string',
        ]);

        if ($validated['status'] === 'resolved') {
            $issue->resolve($validated['resolved_in_release'] ?? null);
        } elseif ($validated['status'] === 'unresolved') {
            $issue->unresolve();
        } elseif ($validated['status'] === 'ignored') {
            $issue->ignore();
        } elseif ($validated['status'] === 'muted') {
            $issue->mute();
        }

        return response()->json($issue->fresh());
    }

    /**
     * Delete an issue
     */
    public function destroy(Request $request, Project $project, Issue $issue): JsonResponse
    {
        $this->authorizeProject($request, $project);
        abort_unless($issue->project_id === $project->id, 404);

        $issue->delete();

        return response()->json(['message' => 'Issue deleted successfully']);
    }

    private function authorizeProject(Request $request, Project $project): void
    {
        $user = $request->user();
        abort_unless(
            $user && $user->projects()->where('projects.id', $project->id)->exists(),
            403,
            'Unauthorized'
        );
    }
}