package com.ygames.ysoccer.match;

import com.ygames.ysoccer.events.WhistleEvent;
import com.ygames.ysoccer.framework.EMath;
import com.ygames.ysoccer.framework.EventManager;
import com.ygames.ysoccer.framework.GLGame;

import static com.ygames.ysoccer.match.Const.GOAL_LINE;
import static com.ygames.ysoccer.match.Const.TEAM_SIZE;
import static com.ygames.ysoccer.match.MatchFsm.StateId.FREE_KICK;
import static com.ygames.ysoccer.match.MatchFsm.StateId.MAIN;
import static com.ygames.ysoccer.match.PlayerFsm.Id.STATE_BARRIER;
import static com.ygames.ysoccer.match.PlayerFsm.Id.STATE_FREE_KICK_ANGLE;
import static com.ygames.ysoccer.match.PlayerFsm.Id.STATE_REACH_TARGET;
import static com.ygames.ysoccer.match.PlayerFsm.Id.STATE_STAND_RUN;
import static com.ygames.ysoccer.match.SceneFsm.ActionType.NEW_FOREGROUND;

class MatchStateFreeKick extends MatchState {

    private Player freeKickPlayer;
    private Team freeKickTeam;
    private Team defendingTeam;
    private boolean isKicking;

    MatchStateFreeKick(MatchFsm fsm) {
        super(FREE_KICK, fsm);
    }

    @Override
    void setDisplayFlags() {
        scene.clearDisplayFlags();
        scene.displayControlledPlayer = true;
        scene.displayBallOwner = true;
        scene.displayTime = true;
        scene.displayRadar = true;
        scene.displayWindVane = true;
        scene.displayScore = true;
    }

    @Override
    void onResume() {
        super.onResume();

        freeKickTeam = scene.foul.opponent.team;
        defendingTeam = scene.foul.player.team;

        isKicking = false;

        freeKickTeam.updateFrameDistance();
        freeKickTeam.findNearest();
        freeKickPlayer = freeKickTeam.near1;

        float ballToGoal = EMath.roundBy(EMath.angle(scene.ball.x, scene.ball.y, 0, defendingTeam.side * GOAL_LINE), 45f);
        freeKickPlayer.tx = scene.ball.x - 7 * EMath.cos(ballToGoal);
        freeKickPlayer.ty = scene.ball.y - 7 * EMath.sin(ballToGoal);
        freeKickPlayer.setState(STATE_REACH_TARGET);
    }

    @Override
    void doActions(float deltaTime) {
        super.doActions(deltaTime);

        boolean move = true;
        float timeLeft = deltaTime;
        while (timeLeft >= GLGame.SUBFRAME_DURATION) {

            if (scene.subframe % GLGame.SUBFRAMES == 0) {
                scene.updateAi();
            }

            scene.updateBall();
            move = scene.updatePlayers(true);

            scene.nextSubframe();

            scene.save();

            scene.camera.update();

            timeLeft -= GLGame.SUBFRAME_DURATION;
        }

        if (!move && !isKicking) {
            for (Player ply : defendingTeam.lineup) {
                if (defendingTeam.barrier.contains(ply)) {
                    ply.setState(STATE_BARRIER);
                }
            }

            EventManager.publish(new WhistleEvent());

            freeKickPlayer.setState(STATE_FREE_KICK_ANGLE);
            if (freeKickPlayer.team.usesAutomaticInputDevice()) {
                freeKickPlayer.inputDevice = freeKickPlayer.team.inputDevice;
            }
            isKicking = true;
        }
    }

    @Override
    SceneFsm.Action[] checkConditions() {
        if (scene.ball.v > 0) {
            freeKickTeam.setPlayersState(STATE_STAND_RUN, freeKickPlayer);
            for (int i = 0; i < TEAM_SIZE; i++) {
                Player player = defendingTeam.lineup.get(i);
                if (!defendingTeam.barrier.contains(player)) {
                    player.setState(STATE_STAND_RUN);
                }
            }

            scene.foul = null;
            return newAction(NEW_FOREGROUND, MAIN);
        }

        return checkCommonConditions();
    }
}