package order

import "testing"

func TestCreatedRoundTrip(t *testing.T) {
	in := Created{
		OrderID:        "ord-1",
		OrderReference: "REF-1",
		CartID:         "cart-9",
		Country:        "se",
		Currency:       "SEK",
		CustomerEmail:  "a@b.c",
		Lines:          []Line{{SKU: "ABC", Quantity: 2, Location: "store-7"}, {SKU: "DEF", Quantity: 1}},
		PlacedAtMs:     123,
	}
	raw, err := in.Encode()
	if err != nil {
		t.Fatalf("encode: %v", err)
	}
	out, err := Decode(raw)
	if err != nil {
		t.Fatalf("decode: %v", err)
	}
	if out.OrderID != in.OrderID || out.Country != in.Country || len(out.Lines) != 2 {
		t.Fatalf("round-trip mismatch: got %+v, want %+v", out, in)
	}
	if out.Lines[0].SKU != "ABC" || out.Lines[0].Quantity != 2 || out.Lines[0].Location != "store-7" {
		t.Errorf("line[0] mismatch: %+v", out.Lines[0])
	}
}

func TestInvoiceIssuedRoundTrip(t *testing.T) {
	in := InvoiceIssued{
		OrderID:       "ord-1",
		InvoiceNumber: "INV-000001",
		CompanyID:     "comp-1",
		CustomerEmail: "a@b.c",
		AmountIncVat:  14995,
		DueDate:       "2026-09-15",
		OCRReference:  "00000139",
		IssuedAtMs:    1234567890,
	}
	raw, err := in.Encode()
	if err != nil {
		t.Fatalf("encode: %v", err)
	}
	out, err := DecodeInvoiceIssued(raw)
	if err != nil {
		t.Fatalf("decode: %v", err)
	}
	if out.InvoiceNumber != in.InvoiceNumber || out.OCRReference != in.OCRReference || out.AmountIncVat != in.AmountIncVat {
		t.Fatalf("round-trip mismatch: got %+v, want %+v", out, in)
	}
}

func TestInvoicePaidRoundTrip(t *testing.T) {
	in := InvoicePaid{
		OrderID:       "ord-1",
		InvoiceNumber: "INV-000001",
		CompanyID:     "comp-1",
		AmountPaid:    14995,
		PaidAtMs:      1234567990,
	}
	raw, err := in.Encode()
	if err != nil {
		t.Fatalf("encode: %v", err)
	}
	out, err := DecodeInvoicePaid(raw)
	if err != nil {
		t.Fatalf("decode: %v", err)
	}
	if out.InvoiceNumber != in.InvoiceNumber || out.AmountPaid != in.AmountPaid {
		t.Fatalf("round-trip mismatch: got %+v, want %+v", out, in)
	}
}