import random

from dcs.mapping import Point
from dcs.vehicles import AirDefence

from gen.sam.airdefensegroupgenerator import (
    AirDefenseRange,
    AirDefenseGroupGenerator,
)


class PatriotGenerator(AirDefenseGroupGenerator):
    """
    This generate a Patriot group
    """

    name = "Patriot Battery"
    price = 240

    def generate(self):
        # Command Post
        self.add_unit(
            AirDefence.SAM_Patriot_STR,
            "STR",
            self.position.x + 30,
            self.position.y + 30,
            self.heading,
        )
        self.add_unit(
            AirDefence.SAM_Patriot_CR__AMG_AN_MRC_137,
            "MRC",
            self.position.x,
            self.position.y,
            self.heading,
        )
        self.add_unit(
            AirDefence.SAM_Patriot_ECS,
            "MSQ",
            self.position.x + 30,
            self.position.y,
            self.heading,
        )
        self.add_unit(
            AirDefence.SAM_Patriot_C2_ICC,
            "ICC",
            self.position.x + 60,
            self.position.y,
            self.heading,
        )
        self.add_unit(
            AirDefence.SAM_Patriot_EPP_III,
            "EPP",
            self.position.x,
            self.position.y + 30,
            self.heading,
        )

        num_launchers = random.randint(3, 4)
        positions = self.get_circular_position(
            num_launchers, launcher_distance=120, coverage=360
        )
        for i, position in enumerate(positions):
            self.add_unit(
                AirDefence.SAM_Patriot_LN,
                "LN#" + str(i),
                position[0],
                position[1],
                position[2],
            )

        # Short range protection for high value site
        aa_group = self.add_auxiliary_group("AA")
        num_launchers = random.randint(3, 4)
        positions = self.get_circular_position(
            num_launchers, launcher_distance=200, coverage=360
        )
        for i, (x, y, heading) in enumerate(positions):
            self.add_unit_to_group(
                aa_group,
                AirDefence.SPAAA_Vulcan_M163,
                f"SPAAA#{i}",
                Point(x, y),
                heading,
            )

    @classmethod
    def range(cls) -> AirDefenseRange:
        return AirDefenseRange.Long