package usecase

import (
	"strings"
	"testing"
)

func TestValidateOrderAuthorizationAcceptsSingleStructuredSelection(
	t *testing.T,
) {
	command := validOrderAuthorizationCommand()

	if err := validateOrderAuthorizationCommand(command); err != nil {
		t.Fatalf("validate order authorization: %v", err)
	}
}

func TestValidateOrderAuthorizationRejectsDuplicateCandidateKey(
	t *testing.T,
) {
	command := validOrderAuthorizationCommand()
	command.Items[1].CandidateKey = command.Items[0].CandidateKey

	if err := validateOrderAuthorizationCommand(command); err == nil {
		t.Fatal("expected duplicate candidate key to be rejected")
	}
}

func TestValidateOrderAuthorizationRejectsSelectedKeyMismatch(
	t *testing.T,
) {
	command := validOrderAuthorizationCommand()
	command.CandidateKey = command.Items[1].CandidateKey

	if err := validateOrderAuthorizationCommand(command); err == nil {
		t.Fatal("expected selected candidate mismatch to be rejected")
	}
}

func TestValidateOrderAuthorizationRequiresOtherNote(t *testing.T) {
	command := validOrderAuthorizationCommand()
	command.Items[0].PrimaryReasonCode = "OTHER"
	command.Items[0].ReasonCodes = []string{"OTHER"}
	command.Items[0].Note = "短"

	if err := validateOrderAuthorizationCommand(command); err == nil {
		t.Fatal("expected short OTHER note to be rejected")
	}
	command.Items[0].Note = "人工判断规格更准确"
	if err := validateOrderAuthorizationCommand(command); err != nil {
		t.Fatalf("validate OTHER note: %v", err)
	}
}

func validOrderAuthorizationCommand() CreateOrderAuthorizationCommand {
	firstKey := strings.Repeat("a", 64)
	secondKey := strings.Repeat("b", 64)
	return CreateOrderAuthorizationCommand{
		ActorUserID:         "00000000-0000-4000-8000-000000000001",
		TaskID:              "00000000-0000-4000-8000-000000000002",
		IdempotencyKey:      "authorize-order-test",
		ExecutionID:         "00000000-0000-4000-8000-000000000003",
		TaskContentSHA256:   strings.Repeat("c", 64),
		ExpectedTaskVersion: 2,
		CandidateKey:        firstKey,
		ReasonSchemaVersion: 1,
		PrimaryReasonCode:   "SELECTED_BEST_MATCH",
		Items: []OrderAuthorizationItemInput{
			{
				CandidateKey:      firstKey,
				Label:             "ACCEPT",
				PrimaryReasonCode: "SKU_MATCH",
				ReasonCodes:       []string{"SKU_MATCH", "IMAGE_MATCH"},
			},
			{
				CandidateKey:      secondKey,
				Label:             "REJECT",
				PrimaryReasonCode: "NOT_BEST_MATCH",
				ReasonCodes:       []string{"NOT_BEST_MATCH"},
			},
		},
	}
}