from talon import Context, Module, actions

from ..tags.operators import Operators

mod = Module()
global_ctx = Context()
ctx = Context()
ctx.matches = """
code.language: css
code.language: scss
"""

mod.list("css_at_rule", desc="List of CSS @rules")
mod.list("css_unit", desc="List of CSS units")
mod.list("css_global_value", desc="CSS-wide values")

global_ctx.lists["self.css_unit"] = {
    # distance (length)
    "char": "ch",
    "em": "em",
    "rem": "rem",
    "pixels": "px",
    "points": "pt",
    "view height": "vh",
    "view width": "vw",
    # angle
    "degrees": "deg",
    "radians": "rad",
    "turn": "turn",
    # duration (time)
    "seconds": "s",
    "millis": "ms",
    # resolution
    "dots per pixel": "dppx",
    # flexible length (flex) - grid
    "fraction": "fr",
}

global_ctx.lists["self.css_at_rule"] = {
    # regular
    "charset": "charset",
    "import": "import",
    "namespace": "namespace",
    # conditional group
    "media": "media",
    "supports": "supports",
    # other nested
    "page": "page",
    "font face": "font-face",
    "keyframes": "keyframes",
    # CSS Modules
    "value": "value",
}

global_ctx.lists["self.css_global_value"] = ["initial", "inherit", "unset", "revert"]


operators = Operators(
    MATH_ADD=" + ",
    MATH_SUBTRACT=" - ",
    MATH_MULTIPLY=" * ",
    MATH_DIVIDE=" / ",
    MATH_AND=" and ",
    MATH_OR=" or ",
    MATH_GREATER_THAN=" > ",
    MATH_GREATER_THAN_OR_EQUAL=" >= ",
    MATH_LESS_THAN=" < ",
    MATH_LESS_THAN_OR_EQUAL=" <= ",
)


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

    def code_insert_function(text: str, selection: str):
        substitutions = {"1": text}
        if selection:
            substitutions["0"] = selection
        actions.user.insert_snippet_by_name("functionCall", substitutions)