from talon import Context, Module, actions, settings

from ..tags.operators import Operators

ctx = Context()
mod = Module()
ctx.matches = r"""
code.language: go
"""

# Primitive Types
ctx.lists["self.code_type"] = {
    "boolean": "bool",
    "int": "int",
    "float": "float",
    "byte": "byte",
    "double": "double",
    "short": "short",
    "long": "long",
    "char": "char",
    "string": "string",
    "rune": "rune",
    "void": "void",
    "channel": "channel",
}

ctx.lists["user.code_keyword"] = {
    "break": "break",
    "continue": "continue",
    "struct": "struct",
    "type": "type",
    "return": "return",
    "package": "package",
    "import": "import",
    "null": "nil",
    "nil": "nil",
    "true": "true",
    "false": "false",
    "defer": "defer",
    "go": "go",
    "if": "if",
    "else": "else",
    "switch": "switch",
    "select": "select",
    "const": "const",
}

operators = Operators(
    # code_operators_array
    SUBSCRIPT=lambda: actions.user.insert_between("[", "]"),
    # code_operators_assignment
    ASSIGNMENT=" = ",
    ASSIGNMENT_ADDITION=" += ",
    ASSIGNMENT_SUBTRACTION=" -= ",
    ASSIGNMENT_MULTIPLICATION=" *= ",
    ASSIGNMENT_DIVISION=" /= ",
    ASSIGNMENT_MODULO=" %= ",
    ASSIGNMENT_INCREMENT="++",
    ASSIGNMENT_BITWISE_AND=" &= ",
    ASSIGNMENT_BITWISE_OR=" |= ",
    ASSIGNMENT_BITWISE_EXCLUSIVE_OR=" ^= ",
    ASSIGNMENT_BITWISE_LEFT_SHIFT=" <<= ",
    ASSIGNMENT_BITWISE_RIGHT_SHIFT=" >>= ",
    # code_operators_bitwise
    BITWISE_AND=" & ",
    BITWISE_OR=" | ",
    BITWISE_EXCLUSIVE_OR=" ^ ",
    BITWISE_LEFT_SHIFT=" << ",
    BITWISE_RIGHT_SHIFT=" >> ",
    # code_operators_lambda
    LAMBDA=" -> ",
    # code_operators_math
    MATH_ADD=" + ",
    MATH_SUBTRACT=" - ",
    MATH_MULTIPLY=" * ",
    MATH_DIVIDE=" / ",
    MATH_MODULO=" % ",
    MATH_EQUAL=" == ",
    MATH_NOT_EQUAL=" != ",
    MATH_OR=" || ",
    MATH_AND=" && ",
    MATH_EXPONENT=" ^ ",
    MATH_GREATER_THAN=" > ",
    MATH_LESS_THAN=" < ",
    MATH_GREATER_THAN_OR_EQUAL=" >= ",
    MATH_LESS_THAN_OR_EQUAL=" <= ",
    # code_operators_pointer
    POINTER_ADDRESS_OF="&",
    POINTER_INDIRECTION="*",
)


@ctx.action_class("user")
class UserActions:
    def code_get_operators() -> Operators:
        return operators

    def code_self():
        actions.insert("this")

    def code_operator_object_accessor():
        actions.insert(".")

    def code_insert_null():
        actions.insert("nil")

    def code_insert_is_null():
        actions.insert(" == nil")

    def code_insert_is_not_null():
        actions.insert(" != nil")

    def code_insert_true():
        actions.insert("true")

    def code_insert_false():
        actions.insert("false")

    def code_insert_function(text: str, selection: str):
        text += f"({selection or ''})"
        actions.user.paste(text)
        actions.edit.left()

    def code_private_function(text: str):
        """Inserts private function declaration"""
        result = "func {}".format(
            actions.user.formatted_text(
                text, settings.get("user.code_private_function_formatter")
            )
        )

        actions.user.code_insert_function(result, None)