<?php

namespace App\Http\Controllers;

use App\Services\CompanyComparison;
use App\Services\FintechInvestment;
use App\Services\InvestmentGuides;
use App\Services\InvestmentZonePathContext;
use App\Services\InvestorPath;
use App\Services\LegacyContent;
use App\Services\SectorInvestment;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Inertia\Inertia;
use Inertia\Response;

class InvestorPathController extends Controller
{
    public function index(Request $request, InvestorPath $path): JsonResponse|Response
    {
        abort_unless($path->available(), 404);
        $data = ['contexts' => $path->contexts($request->user()),
            'companyComparisonAnswers' => $request->has('company_comparison') ? app(CompanyComparison::class)->answers(['answers' => $request->input('company_comparison')]) : null,
            'guideSelection' => $request->has('investment_guide') ? app(InvestmentGuides::class)->selection($request->array('investment_guide')) : null];

        return $request->expectsJson() ? response()->json($data) : Inertia::render('investor-path/index', $data);
    }

    public function sectorStart(Request $request, string $sectorSlug, InvestorPath $path): JsonResponse|Response
    {
        abort_unless($path->available(), 404);
        $data = ['contexts' => $path->contexts($request->user()), 'sectorSource' => app(SectorInvestment::class)->context($sectorSlug)];

        return $request->expectsJson() ? response()->json($data) : Inertia::render('investor-path/index', $data);
    }

    public function sectorAttach(Request $request, string $id): JsonResponse|RedirectResponse
    {
        app(SectorInvestment::class)->attach($request->user(), $id, $request->all());

        return $request->expectsJson() ? response()->json(['ok' => true]) : redirect('/investimentos/'.$id)->with('success', 'Setor associado ao mesmo dossier.');
    }

    public function zoneStart(Request $request, string $zoneId, InvestorPath $path): JsonResponse|Response
    {
        abort_unless($path->available(), 404);
        $data = $request->validate(['consulted_public_version' => 'required|integer|min:1']);
        $data = ['contexts' => $path->contexts($request->user()), 'zoneSource' => app(InvestmentZonePathContext::class)->context($zoneId, (int) $data['consulted_public_version'])];

        return $request->expectsJson() ? response()->json($data) : Inertia::render('investor-path/index', $data);
    }

    public function zoneAttach(Request $request, string $id): JsonResponse|RedirectResponse
    {
        app(InvestmentZonePathContext::class)->attach($request->user(), $id, $request->all());

        return $request->expectsJson() ? response()->json(['ok' => true]) : redirect('/investimentos/'.$id)->with('success', 'Referência do parque guardada; não constitui reserva ou autorização.');
    }

    public function create(Request $request, InvestorPath $path): JsonResponse|RedirectResponse
    {
        $comparison = $request->has('company_comparison') ? app(CompanyComparison::class)->answers(['answers' => $request->input('company_comparison')]) : null;
        $guide = $request->has('investment_guide') ? app(InvestmentGuides::class)->selection($request->array('investment_guide')) : null;
        abort_if($comparison !== null && $guide !== null, 422, 'Escolha o contexto de preparação que pretende continuar.');
        $zone = $request->has('zone_id') ? app(InvestmentZonePathContext::class)->input($request->all()) : null;
        if ($zone) {
            $request->validate(['confirm' => 'required|accepted']);
            app(InvestmentZonePathContext::class)->context($zone['zone_id'], (int) $zone['consulted_public_version']);
        }
        $sector = $request->validate(['sector_slug' => 'nullable|string|max:150'])['sector_slug'] ?? null;
        if ($sector !== null) {
            app(SectorInvestment::class)->context($sector);
        }
        $source = $request->input('content_resource_id');
        if ($source !== null) {
            $resourceId = filter_var($source, FILTER_VALIDATE_INT);
            abort_unless(is_int($resourceId) && $resourceId !== 0, 422);
            app(LegacyContent::class)->articleForResource($resourceId);
        }
        $id = DB::transaction(function () use ($path, $request, $source, $sector, $zone): string {
            $id = $path->create($request->user(), $request->all());
            if ($source !== null) {
                $case = $path->view($request->user(), $id)['case'];
                app(LegacyContent::class)->attach($request->user(), $id, ['version' => $case['version'], 'resource_id' => (int) $source]);
            }

            if ($sector !== null) {
                $case = $path->view($request->user(), $id)['case'];
                app(SectorInvestment::class)->attach($request->user(), $id, ['version' => $case['version'], 'sector_slug' => $sector]);
            }

            if ($zone) {
                $case = $path->view($request->user(), $id)['case'];
                app(InvestmentZonePathContext::class)->attach($request->user(), $id, [...$zone, 'version' => $case['version'], 'confirm' => true]);
            }

            return $id;
        });

        $href = $comparison === null ? '/investimentos/'.$id : '/investimentos/'.$id.'/forma-juridica?'.http_build_query(['answers' => $comparison]);
        if ($guide !== null) {
            $href = '/investimentos/'.$id.'/guias/'.$guide['slug'].'?'.http_build_query(['current' => 1, 'selection' => 1, 'sha256' => $guide['sha256'], 'instruments' => $guide['instruments']]);
        }

        return $request->expectsJson() ? response()->json(['id' => $id, ...($comparison !== null ? ['comparison_href' => $href] : []), ...($guide !== null ? ['guide_href' => $href] : [])], 201) : redirect($href)->with('success', 'Investimento guardado no seu dossier.');
    }

    public function show(Request $request, string $id, InvestorPath $path): JsonResponse|Response
    {
        $choice = $request->validate(['opportunity' => 'nullable|string|max:100'])['opportunity'] ?? null;
        $data = $path->view($request->user(), $id, $choice);

        return $request->expectsJson() ? response()->json($data) : Inertia::render('investor-path/show', $data);
    }

    public function facts(Request $request, string $id, InvestorPath $path): JsonResponse|RedirectResponse
    {
        abort_unless($path->available(), 404);
        $path->facts($request->user(), $id, $request->all());

        return $this->saved($request, 'Aplicabilidade registada; o histórico foi preservado.');
    }

    public function stage(Request $request, string $id, string $code, InvestorPath $path): JsonResponse|RedirectResponse
    {
        abort_unless($path->available(), 404);
        $path->stage($request->user(), $id, $code, $request->all());

        return $this->saved($request, 'Etapa e fundamento registados.');
    }

    public function tool(Request $request, string $id, InvestorPath $path): JsonResponse
    {
        abort_unless($path->available(), 404);

        return response()->json(['result' => $path->returnTool($request, $id, $request->all())]);
    }

    public function task(Request $request, string $id, InvestorPath $path): JsonResponse|RedirectResponse
    {
        abort_unless($path->available(), 404);
        $task = $path->task($request->user(), $id, $request->all());

        return $request->expectsJson() ? response()->json(['id' => $task], 201) : back()->with('success', 'Tarefa assumida no acompanhamento interno.');
    }

    public function fintech(Request $request, string $id, InvestorPath $path): JsonResponse|RedirectResponse
    {
        abort_unless($path->available(), 404);
        app(FintechInvestment::class)->save($request->user(), $id, $request->all());

        return $this->saved($request, 'Caracterização Fintech guardada no mesmo dossier; pendências e histórico preservados.');
    }

    private function saved(Request $request, string $message): JsonResponse|RedirectResponse
    {
        return $request->expectsJson() ? response()->json(['message' => $message]) : back()->with('success', $message);
    }
}