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from filters.players import PlayerIter
from mathlib import Vector
from engines.precache import Model
from players.entity import Player
from players.helpers import index_from_userid


def find_closest_enemy_player(player, radius):
    alive_players = PlayerIter('alive')
    cur_distance = 9999
    i=0
    for target in alive_players:
        if target.team != player.team:
            distance = player.origin.get_distance(target.origin)
            SayText2('The distance: %s' %distance).send(player.index)
            if distance <= radius:
                if distance < cur_distance:
                    cur_distance = distance
                    return_target = target
                    i=1
    if i != 0:
        return return_target
    else:
        return 'error'
        



@Event('player_say')
def chat_based_trigger(game_event)
    player = Player(index_from_userid(game_event['userid']))
    target = find_closest_enemy_player(player, radius =9000)
    if target != 'error':
        laser_model = Model('sprites/lgtning.vmt')
        effect1 = tempEntity('BeamPoints', alpha = 255, red =100, blue = 25, life_time =10.0, start_width = 10, end_width = 10, frame_rate =
 255)
        effect1.start_point = player.origin
        effect1.end_point = target.origin
        effect1.model = laser_model
        effect1.create()

from filters.players import PlayerIter
from engines.precache import Model
from players.entity import Player
from effects import TempEntity
from events import Event

laser_model = Model('sprites/laser.vmt')

def get_player_distances(player, radius):
    for enemy in PlayerIter('alive'):
        if enemy.team == player.team:
            # Ignore players of the same team
            continue

        distance = player.origin.get_distance(enemy.origin)
        if distance > radius:
            # Ignore players outside of the radius
            continue

        yield (distance, enemy)

def find_closest_enemy_player(player, radius):
    try:
        distance, enemy = min(get_player_distances(player, radius))
    except ValueError:
        # min() will raise ValueError if it's called on an empty sequence.
        # Return None instead.
        return None

    return enemy

@Event('player_say')
def chat_based_trigger(game_event):
    player = Player.from_userid(game_event['userid'])
    target = find_closest_enemy_player(player, radius=9000)
    if target is None:
        # No need to do anything if no enemy was found
        print('No player found') # Debugging
        return

    effect1 = TempEntity(
        'BeamPoints',
        alpha=255,
        red=255,
        blue=0,
        green=0,
        life_time=3,
        fade_length=1,
        start_width=10,
        end_width=10,
        frame_rate=255,
        start_point=player.origin,
        end_point=target.origin,
        model=laser_model,
        amplitude=1,
        flags=0,
        speed=1,
        halo=laser_model,
        start_frame=0)

    effect1.create()
    print('Beam to', target.name) # Debugging