from cereal import car
from collections import namedtuple
from dataclasses import dataclass
from enum import Enum
from typing import Dict, List, Optional, Union, no_type_check


class Tier(Enum):
  GOLD = "The best openpilot experience. Great highway driving and beyond."
  SILVER = "A solid highway driving experience, but is limited by stock longitudinal. May be upgraded in the future."
  BRONZE = "A good highway experience, but may have limited performance in traffic and on sharp turns."


class Column(Enum):
  MAKE = "Make"
  MODEL = "Model"
  PACKAGE = "Supported Package"
  LONGITUDINAL = "openpilot ACC"
  FSR_LONGITUDINAL = "Stop and Go"
  FSR_STEERING = "Steer to 0"
  STEERING_TORQUE = "Steering Torque"
  MAINTAINED = "Actively Maintained"


class Star(Enum):
  FULL = "full"
  HALF = "half"
  EMPTY = "empty"


StarColumns = list(Column)[3:]
CarFootnote = namedtuple("CarFootnote", ["text", "column", "star"], defaults=[None])


def get_footnote(footnotes: Optional[List[Enum]], column: Column) -> Optional[Enum]:
  # Returns applicable footnote given current column
  if footnotes is not None:
    for fn in footnotes:
      if fn.value.column == column:
        return fn
  return None


@dataclass
class CarInfo:
  name: str
  package: str
  video_link: Optional[str] = None
  footnotes: Optional[List[Enum]] = None
  min_steer_speed: Optional[float] = None
  min_enable_speed: Optional[float] = None
  good_torque: bool = False

  def init(self, CP: car.CarParams, non_tested_cars: List[str], all_footnotes: Dict[Enum, int]):
    # TODO: set all the min steer speeds in carParams and remove this
    min_steer_speed = CP.minSteerSpeed
    if self.min_steer_speed is not None:
      min_steer_speed = self.min_steer_speed
      assert CP.minSteerSpeed == 0, f"Minimum steer speed set in both CarInfo and CarParams for {CP.carFingerprint}"

    # TODO: set all the min enable speeds in carParams correctly and remove this
    min_enable_speed = CP.minEnableSpeed
    if self.min_enable_speed is not None:
      min_enable_speed = self.min_enable_speed

    self.make, self.model = self.name.split(' ', 1)
    self.row = {
      Column.MAKE: self.make,
      Column.MODEL: self.model,
      Column.PACKAGE: self.package,
      # StarColumns
      Column.LONGITUDINAL: CP.openpilotLongitudinalControl and not CP.radarOffCan,
      Column.FSR_LONGITUDINAL: min_enable_speed <= 0.,
      Column.FSR_STEERING: min_steer_speed <= 0.,
      Column.STEERING_TORQUE: self.good_torque,
      Column.MAINTAINED: CP.carFingerprint not in non_tested_cars,
    }

    self.all_footnotes = all_footnotes
    for column in StarColumns:
      self.row[column] = Star.FULL if self.row[column] else Star.EMPTY

      # Demote if footnote specifies a star
      footnote = get_footnote(self.footnotes, column)
      if footnote is not None and footnote.value.star is not None:
        self.row[column] = footnote.value.star

    self.tier = {5: Tier.GOLD, 4: Tier.SILVER}.get(list(self.row.values()).count(Star.FULL), Tier.BRONZE)

  @no_type_check
  def get_column(self, column: Column, star_icon: str, footnote_tag: str) -> str:
    item: Union[str, Star] = self.row[column]
    if column in StarColumns:
      item = star_icon.format(item.value)

    footnote = get_footnote(self.footnotes, column)
    if footnote is not None:
      item += footnote_tag.format(self.all_footnotes[footnote])

    return item