<?php

namespace App\Http\Controllers;

use App\Models\AlertRule;
use App\Models\Project;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class AlertRuleController extends Controller
{
    public function edit(Request $request, Project $project): View
    {
        $this->authorizeProject($request, $project);

        $rules = collect(['new_issue', 'regression', 'spike'])->map(function ($type) use ($project) {
            return $project->alertRules()->firstOrCreate(
                ['type' => $type],
                ['enabled' => true, 'config' => $type === 'spike' ? ['threshold' => 10, 'window_minutes' => 5] : null],
            );
        });

        $preference = $request->user()->notificationPreferenceFor($project);

        return view('projects.alerts', [
            'project' => $project,
            'rules' => $rules->keyBy('type'),
            'preference' => $preference,
        ]);
    }

    public function update(Request $request, Project $project): RedirectResponse
    {
        $this->authorizeProject($request, $project);

        foreach (['new_issue', 'regression', 'spike'] as $type) {
            $rule = $project->alertRules()->where('type', $type)->first();
            if ($rule) {
                $rule->update(['enabled' => $request->boolean("rules.{$type}.enabled")]);

                if ($type === 'spike') {
                    $rule->update([
                        'config' => [
                            'threshold' => max(1, (int) $request->input('rules.spike.threshold', 10)),
                            'window_minutes' => max(1, (int) $request->input('rules.spike.window_minutes', 5)),
                        ],
                    ]);
                }
            }
        }

        return back()->with('status', 'Alert rules updated.');
    }

    public function updatePreference(Request $request, Project $project): RedirectResponse
    {
        $this->authorizeProject($request, $project);

        $pref = $request->user()->notificationPreferenceFor($project);
        $pref->update([
            'email_enabled' => $request->boolean('email_enabled'),
            'database_enabled' => $request->boolean('database_enabled'),
            'muted' => $request->boolean('muted'),
        ]);

        return back()->with('status', 'Notification preferences updated.');
    }

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