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﻿<?php

namespace App\Http\Controllers;

use App\Models\CaseRecord;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;

class CaseController extends Controller
{
    public const CATEGORIES = [
        'legal_preparation' => 'Legal preparation',
        'credit' => 'Credit readiness',
        'housing' => 'Housing / mortgage',
        'attorney_packet' => 'Attorney packet',
        'financial' => 'Financial preparation',
        'general' => 'General organization',
    ];

    public function index(Request $request)
    {
        $cases = $request->user()->cases()->withCount(['documents', 'suggestions'])->latest()->paginate(12);

        return view('cases.index', compact('cases'));
    }

    public function create()
    {
        return view('cases.form', ['caseRecord' => new CaseRecord, 'categories' => self::CATEGORIES]);
    }

    public function store(Request $request)
    {
        $plan = $request->user()->activeSubscription()->with('plan')->first()?->plan
            ?? \App\Models\Plan::where('slug', 'starter')->first();

        if ($plan?->case_limit && $request->user()->cases()->whereNot('status', 'closed')->count() >= $plan->case_limit) {
            return back()->withInput()->withErrors([
                'plan' => "Your {$plan->name} package supports {$plan->case_limit} active case(s). Close a case or choose another package.",
            ]);
        }

        $case = $request->user()->cases()->create($this->validated($request));

        return redirect()->route('cases.show', $case)->with('success', 'Your case has been created.');
    }

    public function show(Request $request, CaseRecord $caseRecord)
    {
        $this->ensureAccess($request, $caseRecord);
        $caseRecord->load(['documents', 'suggestions' => fn ($query) => $query->latest()]);

        return view('cases.show', ['caseRecord' => $caseRecord, 'categories' => self::CATEGORIES]);
    }

    public function edit(Request $request, CaseRecord $caseRecord)
    {
        $this->ensureAccess($request, $caseRecord);

        return view('cases.form', ['caseRecord' => $caseRecord, 'categories' => self::CATEGORIES]);
    }

    public function update(Request $request, CaseRecord $caseRecord)
    {
        $this->ensureAccess($request, $caseRecord);
        $caseRecord->update($this->validated($request));

        return redirect()->route('cases.show', $caseRecord)->with('success', 'Case details updated.');
    }

    public function submit(Request $request, CaseRecord $caseRecord)
    {
        $this->ensureAccess($request, $caseRecord);
        $caseRecord->update(['status' => 'submitted', 'submitted_at' => now()]);

        return back()->with('success', 'Case submitted for review.');
    }

    public function destroy(Request $request, CaseRecord $caseRecord)
    {
        $this->ensureAccess($request, $caseRecord);
        foreach ($caseRecord->documents as $document) {
            \Storage::disk($document->disk)->delete($document->path);
        }
        $caseRecord->delete();

        return redirect()->route('cases.index')->with('success', 'Case deleted.');
    }

    private function validated(Request $request): array
    {
        return $request->validate([
            'title' => ['required', 'string', 'max:180'],
            'category' => ['required', Rule::in(array_keys(self::CATEGORIES))],
            'summary' => ['nullable', 'string', 'max:10000'],
            'timeline' => ['nullable', 'string', 'max:20000'],
            'people_involved' => ['nullable', 'string', 'max:10000'],
            'questions' => ['nullable', 'string', 'max:10000'],
            'concerns' => ['nullable', 'string', 'max:10000'],
        ]);
    }

    private function ensureAccess(Request $request, CaseRecord $caseRecord): void
    {
        abort_unless($request->user()->isAdmin() || $caseRecord->user_id === $request->user()->id, 403);
    }
}