go-xerrs

import "github.com/hotfixfirst/go-xerrs"

// Create a simple error
err := xerrs.New("something went wrong")

// Create a validation error with chaining
err := xerrs.New("invalid email format").AsInvalidFormat()

// Wrap an existing error with auto-detection
err := xerrs.Wrap(gorm.ErrRecordNotFound, "user not found")
// Automatically detects as NOT_FOUND with HTTP 404

// Simple error
err := xerrs.New("database connection failed")
// [INTERNAL] INTERNAL_ERROR: database connection failed

// Structured error
err := xerrs.NewAppError(
    xerrs.ErrorTypeValidation,
    xerrs.CodeInvalidInput,
    "email is required",
)
// [VALIDATION] INVALID_INPUT: email is required

// Error with details
err := xerrs.New("validation failed").
    WithDetails("field 'email' must be a valid email address")

// Validation error
err := xerrs.New("email is invalid").AsInvalidFormat()
// [VALIDATION] INVALID_FORMAT: email is invalid (HTTP 400)

// Authentication error
err := xerrs.New("session expired").AsTokenExpired()
// [AUTHENTICATION] TOKEN_EXPIRED: session expired (HTTP 401)

// Not found error
err := xerrs.New("user not found").AsResourceNotFound()
// [NOT_FOUND] RESOURCE_NOT_FOUND: user not found (HTTP 404)

// Custom code
err := xerrs.New("custom error").AsValidationWithCode("CUSTOM_CODE")
// [VALIDATION] CUSTOM_CODE: custom error (HTTP 400)

// Wrap with auto-detection
err := xerrs.Wrap(gorm.ErrRecordNotFound, "user not found")
// Type: NOT_FOUND, Code: RESOURCE_NOT_FOUND, HTTP: 404

// Wrap and convert
err := xerrs.Wrap(originalErr, "validation failed").AsInvalidInput()

// Re-wrapping preserves type
firstErr := xerrs.New("not found").AsResourceNotFound()
reWrapped := xerrs.Wrap(firstErr, "user lookup failed")
// Type is preserved as NOT_FOUND

err := xerrs.New("not found").AsResourceNotFound()
status := err.GetHTTPStatus() // 404

// Override status
err := xerrs.New("custom").WithHTTPStatus(422)
status := err.GetHTTPStatus() // 422

err := xerrs.New("something failed")

// Get full stack trace
trace := err.GetStackTrace()

// Get stack trace as lines
lines := err.GetStackTraceLines()
for _, line := range lines {
    fmt.Println(line)
}