package errors

import (
	"net/http"
	"testing"
)

func TestErrNotFound(t *testing.T) {
	err := ErrNotFound("pool")
	if err.Code != ErrCodeNotFound {
		t.Errorf("expected code %s, got %s", ErrCodeNotFound, err.Code)
	}
	if err.HTTPStatus != http.StatusNotFound {
		t.Errorf("expected status %d, got %d", http.StatusNotFound, err.HTTPStatus)
	}
}

func TestErrBadRequest(t *testing.T) {
	err := ErrBadRequest("invalid request")
	if err.Code != ErrCodeBadRequest {
		t.Errorf("expected code %s, got %s", ErrCodeBadRequest, err.Code)
	}
	if err.HTTPStatus != http.StatusBadRequest {
		t.Errorf("expected status %d, got %d", http.StatusBadRequest, err.HTTPStatus)
	}
}

func TestErrValidation(t *testing.T) {
	err := ErrValidation("validation failed")
	if err.Code != ErrCodeValidation {
		t.Errorf("expected code %s, got %s", ErrCodeValidation, err.Code)
	}
	if err.HTTPStatus != http.StatusBadRequest {
		t.Errorf("expected status %d, got %d", http.StatusBadRequest, err.HTTPStatus)
	}
}

func TestErrInternal(t *testing.T) {
	err := ErrInternal("internal error")
	if err.Code != ErrCodeInternal {
		t.Errorf("expected code %s, got %s", ErrCodeInternal, err.Code)
	}
	if err.HTTPStatus != http.StatusInternalServerError {
		t.Errorf("expected status %d, got %d", http.StatusInternalServerError, err.HTTPStatus)
	}
}

func TestErrConflict(t *testing.T) {
	err := ErrConflict("resource exists")
	if err.Code != ErrCodeConflict {
		t.Errorf("expected code %s, got %s", ErrCodeConflict, err.Code)
	}
	if err.HTTPStatus != http.StatusConflict {
		t.Errorf("expected status %d, got %d", http.StatusConflict, err.HTTPStatus)
	}
}

func TestWithDetails(t *testing.T) {
	err := ErrNotFound("pool").WithDetails("tank")
	if err.Details != "tank" {
		t.Errorf("expected details 'tank', got %s", err.Details)
	}
}

func TestError(t *testing.T) {
	err := ErrNotFound("pool")
	errorStr := err.Error()
	if errorStr == "" {
		t.Error("expected non-empty error string")
	}
	if err.Details != "" {
		errWithDetails := err.WithDetails("tank")
		errorStr = errWithDetails.Error()
		if errorStr == "" {
			t.Error("expected non-empty error string with details")
		}
	}
}