package pdf

import (
	"bytes"
	"testing"

	"github.com/rjNemo/rentease/internal/config"
	"github.com/rjNemo/rentease/internal/service/booking"
)

func TestBuildInvoice_ReturnsPDFBytes(t *testing.T) {
	client, err := NewPdfClient()
	if err != nil {
		t.Fatalf("unexpected error creating pdf client: %v", err)
	}

	file, err := client.BuildInvoice(booking.Invoice{
		Host:            *config.NewHost(),
		Name:            "Jane Doe",
		PhoneNumber:     "+590690441530",
		CustomersNumber: 2,
		Platform:        "Booking.com",
		ID:              "VFNI0240",
		From:            "20/03/2026",
		To:              "24/03/2026",
		Total:           "250.00",
		AmountPaid:      "100.00",
		BalanceDue:      "150.00",
		Lines: []booking.InvoiceLine{{
			Name:     "T2",
			Quantity: 4,
			Price:    "59.00",
			Total:    "236.00",
		}},
		Payments: []booking.PaymentLine{{
			Date:   "20/03/2026",
			Method: "Card",
			Amount: "100.00",
		}},
	})
	if err != nil {
		t.Fatalf("unexpected error building invoice PDF: %v", err)
	}

	if file.ContentType != "application/pdf" {
		t.Fatalf("expected PDF content type, got %q", file.ContentType)
	}
	if file.Name != "VFNI0240.pdf" {
		t.Fatalf("expected invoice file name, got %q", file.Name)
	}
	if !bytes.HasPrefix(file.Data, []byte("%PDF")) {
		t.Fatalf("expected PDF bytes, got %q", string(file.Data[:4]))
	}
}