namespace PamhagenSysCtrl.Helpers {
    public enum T1Error {
        UNKNOWN_ERROR                   =   -1,
        NO_ERROR                        =    0,
        SYSTEM_POWER_ON                 =   10,
        SYSTEM_POWER_OFF                =   11,
        RAM_CHECK_ERROR                 =   20,
        PROGRAM_BCC_ERROR               =   21,
        BATTERY_VOLTAGE_DROP            =   22,
        EEPROM_BCC_ERROR                =   23,
        EEPROM_WARNING                  =   26,
        SYSTEM_RAM_CHECK_ERROR          =   30,
        SYSTEM_ROM_BCC_ERROR            =   31,
        PERIPHERAL_LSI_ERROR            =   32,
        CLOCK_CALENDAR_CHECK_ERROR      =   33,
        ILLEGAL_SYSTEM_INTERRUPT        =   34,
        WD_TIMER_ERROR                  =   35,
        IO_BUS_ERROR                    =   40,
        IO_MISMATCH                     =   41,
        IO_NO_ANSWER                    =   42,
        IO_PARITY_ERROR                 =   43,
        ILLEGAL_IO_REGISTER             =   46,
        COMMUNICATION_BUSY              =   51,
        FORMAT_ERROR                    =   52,
        SCAN_TIME_OVER                  =   64,
        NO_END_IRET_ERROR               =   80,
        PAIR_INSTRUCTION_ERROR          =   81,
        OPERAND_ERROR                   =   82,
        INVALID_PROGRAM                 =   83,
        NO_SUBROUTINE_ENTRY             =   86,
        NO_RET_ERROR                    =   87,
        SUBROUTINE_NESTING_ERROR        =   88,
        LOOP_NESTING_ERROR              =   89,
        INVALID_FUNCTION_INSTRUCTION    =   98,
        PASSWORD_PROTECT                =  106,
        ILLEGAL_INSTRUCTION             =  110,
        REGISTER_ADDRESS_ERROR          =  111,
        BOUNDARY_ERROR                  =  112,
        MEMORY_FULL                     =  113,
        MODE_MISMATCH                   =  114,
        REGISTER_ADDRESS_SIZE_ERROR     =  115,
        DUPLICATE_ENTRY_NR              =  121,
    }

    public static class T1ErrorExtension {
        public static bool IsError(this T1Error error) {
            return error switch {
                T1Error.NO_ERROR => false,
                T1Error.SYSTEM_POWER_ON => false,
                T1Error.SYSTEM_POWER_OFF => false,
                _ => true,
            };
        }
        public static string GetName(this T1Error error) {
            return error switch {
                T1Error.NO_ERROR => "No error",
                T1Error.SYSTEM_POWER_ON => "System power on",
                T1Error.SYSTEM_POWER_OFF => "System power off",
                // TODO
                _ => "Unknown error",
            };
        }
        public static string? GetDescription(this T1Error error) {
            return error switch {
                T1Error.NO_ERROR => "No error recorded",
                T1Error.SYSTEM_POWER_ON => "Power on (no error)",
                T1Error.SYSTEM_POWER_OFF => "Power off (no error)",
                // TODO
                _ => null,
            };
        }
    }
}