<?php

use App\Enums\PurchasingRole;
use App\Models\AuditLog;
use App\Models\CostCenter;
use App\Models\Department;
use App\Models\Quotation;
use App\Models\Requisition;
use App\Models\Supplier;
use App\Models\Tenant;
use App\Models\User;
use Inertia\Testing\AssertableInertia as Assert;

function supplierPayload(string $nuit = '123456789'): array
{
    return ['name' => 'Fornecedor de teste', 'nuit' => $nuit, 'contact' => 'Contacto', 'email' => 'test@example.com', 'phone' => '123456789', 'address' => 'Maputo', 'category' => 'Material', 'beneficiaries' => 'Beneficiário teste', 'document_references' => 'Alvará e declaração verificados no processo 123.', 'diligence_notes' => 'Documentação conferida e sem impedimentos.', 'blocked' => false, 'next_review' => now()->addYear()->format('Y-m-d')];
}

beforeEach(function () {
    $this->tenant = Tenant::query()->create(['name' => 'Cotação A']);
    $this->department = Department::query()->create(['tenant_id' => $this->tenant->id, 'name' => 'Produção']);
    $this->center = CostCenter::query()->create(['tenant_id' => $this->tenant->id, 'department_id' => $this->department->id, 'name' => 'Produção', 'code' => 'P']);
    $this->buyer = User::factory()->create(['tenant_id' => $this->tenant->id, 'department_id' => $this->department->id, 'purchasing_role' => PurchasingRole::Procurement]);
    $this->finance = User::factory()->create(['tenant_id' => $this->tenant->id, 'department_id' => $this->department->id, 'purchasing_role' => PurchasingRole::Finance]);
    $this->owner = User::factory()->create(['tenant_id' => $this->tenant->id, 'department_id' => $this->department->id, 'purchasing_role' => PurchasingRole::Requester]);
    $this->actingAs($this->buyer);
    $this->supplier = Supplier::query()->create([...supplierPayload(), 'tenant_id' => $this->tenant->id, 'created_by' => $this->buyer->id, 'status' => 'active']);
    $this->r = Requisition::query()->create(['tenant_id' => $this->tenant->id, 'requester_id' => $this->owner->id, 'department_id' => $this->department->id, 'cost_center_id' => $this->center->id, 'number' => 'REQ-TEST', 'priority' => 'normal', 'needed_by' => now()->addWeek(), 'justification' => 'Pedido aprovado para testes.', 'status' => 'approved', 'subtotal_minor' => 15, 'tax_minor' => 2, 'total_minor' => 17]);
    $this->item = $this->r->items()->create(['tenant_id' => $this->tenant->id, 'description' => 'Material', 'category' => 'Material', 'purchase_type' => 'consumable', 'quantity' => '3', 'unit' => 'un', 'unit_price_minor' => 5, 'tax_rate' => '16', 'subtotal_minor' => 15, 'tax_minor' => 2, 'total_minor' => 17]);
    $this->quote = ['supplier_id' => $this->supplier->id, 'reference' => 'PROP-01', 'delivery_days' => 10, 'valid_until' => now()->addMonth()->format('Y-m-d'), 'payment_terms' => '30 dias', 'no_conflict' => true, 'items' => [['requisition_item_id' => $this->item->id, 'unit_price' => '0.05']]];
});

test('supplier creation enforces role tenant and unique nuit', function () {
    $this->actingAs($this->owner)->post('/fornecedores', supplierPayload('987654321'))->assertForbidden();
    $this->actingAs($this->buyer)->post('/fornecedores', [...supplierPayload('987654321'), 'status' => 'active', 'tenant_id' => 999])->assertSessionHasNoErrors()->assertRedirect();
    $s = Supplier::query()->where('nuit', '987654321')->firstOrFail();
    expect($s->status)->toBe('pending')->and($s->tenant_id)->toBe($this->tenant->id);
    $this->post('/fornecedores', supplierPayload('987654321'))->assertSessionHasErrors('nuit');
    $this->post('/fornecedores', supplierPayload('invalid'))->assertSessionHasErrors('nuit');
});

test('supplier review is independent and prevents blocked activation', function () {
    $body = ['status' => 'active', 'comment' => 'Documentação verificada por Finanças.', 'version' => $this->supplier->version];
    $this->post("/fornecedores/{$this->supplier->id}/validar", $body)->assertForbidden();
    $this->buyer->forceFill(['purchasing_role' => PurchasingRole::Finance])->save();
    $this->actingAs($this->buyer)->post("/fornecedores/{$this->supplier->id}/validar", $body)->assertForbidden();
    $this->actingAs($this->finance)->post("/fornecedores/{$this->supplier->id}/validar", $body)->assertSessionHasNoErrors()->assertRedirect();
    $this->supplier->update(['blocked' => true]);
    $this->post("/fornecedores/{$this->supplier->id}/validar", [...$body, 'version' => $this->supplier->fresh()->version])->assertSessionHasErrors('status');
});

test('quotes calculate decimal totals inherit tax and reject duplicates', function () {
    $this->post("/requisicoes/{$this->r->id}/cotacoes", [...$this->quote, 'total_minor' => 999, 'tenant_id' => 999])->assertSessionHasNoErrors()->assertRedirect();
    $q = Quotation::query()->firstOrFail();
    expect($q->subtotal_minor)->toBe(15)->and($q->tax_minor)->toBe(2)->and($q->total_minor)->toBe(17)->and($q->tenant_id)->toBe($this->tenant->id);
    expect((float) $q->items()->first()->tax_rate)->toBe(16.0);
    $this->post("/requisicoes/{$this->r->id}/cotacoes", $this->quote)->assertSessionHasErrors('supplier_id');
    expect(Quotation::query()->count())->toBe(1);
    expect(AuditLog::query()->where('action', 'quotation.created')->count())->toBe(1);
});

test('quotes require approval active suppliers valid dates and exact request items', function () {
    $url = "/requisicoes/{$this->r->id}/cotacoes";
    $this->r->update(['status' => 'draft']);
    $this->post($url, $this->quote)->assertForbidden();
    $this->r->update(['status' => 'approved']);
    $this->supplier->update(['status' => 'pending']);
    $this->post($url, $this->quote)->assertSessionHasErrors('supplier_id');
    $this->supplier->update(['status' => 'active']);
    $this->post($url, [...$this->quote, 'valid_until' => now()->subDay()->format('Y-m-d')])->assertSessionHasErrors('valid_until');
    $this->post($url, [...$this->quote, 'items' => [['requisition_item_id' => 999, 'unit_price' => '1']]])->assertSessionHasErrors('items');
    $this->post($url, [...$this->quote, 'no_conflict' => false])->assertSessionHasErrors('no_conflict');
    expect(Quotation::query()->count())->toBe(0);
});

test('two independent evaluations and three eligible suppliers complete comparison', function () {
    foreach (['123456789', '123456788', '123456787'] as $index => $nuit) {
        $s = $index === 0 ? $this->supplier : Supplier::query()->create([...supplierPayload($nuit), 'tenant_id' => $this->tenant->id, 'created_by' => $this->buyer->id, 'status' => 'active']);
        $this->actingAs($this->buyer)->post("/requisicoes/{$this->r->id}/cotacoes", [...$this->quote, 'supplier_id' => $s->id])->assertSessionHasNoErrors();
        $q = Quotation::query()->latest('id')->firstOrFail();
        $ev = ['quality' => 8, 'history' => 5, 'payment' => 8, 'comment' => 'Avaliação técnica independente.', 'no_conflict' => true];
        $this->post("/cotacoes/{$q->id}/avaliar", $ev)->assertSessionHasNoErrors();
        $this->post("/cotacoes/{$q->id}/avaliar", $ev)->assertSessionHasErrors('evaluation');
        $this->actingAs($this->finance)->post("/cotacoes/{$q->id}/avaliar", $ev)->assertSessionHasNoErrors();
    }
    $this->get("/requisicoes/{$this->r->id}/cotacoes")->assertInertia(fn (Assert $page) => $page->component('quotations/show')->where('ready', true)->has('quotations', 3)->where('quotations.0.score', 8.65));
    $this->supplier->update(['status' => 'suspended']);
    $this->get("/requisicoes/{$this->r->id}/cotacoes")->assertInertia(fn (Assert $page) => $page->where('ready', false)->where('quotations.0.eligible', false));
});

test('requester cannot evaluate own purchase after role change', function () {
    $this->post("/requisicoes/{$this->r->id}/cotacoes", $this->quote);
    $q = Quotation::query()->firstOrFail();
    $this->owner->forceFill(['purchasing_role' => PurchasingRole::Finance])->save();
    $this->actingAs($this->owner)->post("/cotacoes/{$q->id}/avaliar", ['quality' => 8, 'history' => 5, 'payment' => 8, 'comment' => 'Avaliação de pedido próprio.', 'no_conflict' => true])->assertForbidden();
});

test('supplier quote and evaluation routes isolate companies', function () {
    $this->post("/requisicoes/{$this->r->id}/cotacoes", $this->quote);
    $q = Quotation::query()->firstOrFail();
    $tenant = Tenant::query()->create(['name' => 'Empresa B']);
    $other = User::factory()->create(['tenant_id' => $tenant->id, 'purchasing_role' => PurchasingRole::Finance]);
    $this->actingAs($other)->get('/fornecedores')->assertInertia(fn (Assert $p) => $p->has('suppliers.data', 0));
    $this->post("/fornecedores/{$this->supplier->id}/validar", ['status' => 'active', 'comment' => 'Tentativa de outro inquilino.'])->assertNotFound();
    $this->get("/requisicoes/{$this->r->id}/cotacoes")->assertNotFound();
    $this->post("/cotacoes/{$q->id}/avaliar", ['quality' => 8, 'history' => 5, 'payment' => 8, 'comment' => 'Tentativa de outro inquilino.', 'no_conflict' => true])->assertNotFound();
});