package dev.loki.phase;

import dev.loki.config.GameConfig;
import dev.loki.core.GameSession;
import dev.loki.hook.*;
import dev.loki.player.BasePlayer;
import dev.loki.player.Killer;
import dev.loki.player.PlayerState;
import dev.loki.player.Survivor;
import dev.loki.ui.TitleUI;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.format.NamedTextColor;
import org.bukkit.Bukkit;
import org.bukkit.GameMode;
import org.bukkit.Sound;
import org.bukkit.entity.Player;

/**
 * Handles win condition checking during gameplay phase.
 */
public class GameplayWinConditions {

    private boolean shouldEnd;
    private String winReason; // "killer_win", "survivors_win", null

    public boolean isShouldEnd() {
        return shouldEnd;
    }

    public String getWinReason() {
        return winReason;
    }

    /**
     * Check all win conditions each second (20 ticks).
     */
    public void checkWinConditions(GameSession session) {
        int aliveSurvivors = countAliveSurvivors(session);
        Killer killer = getKiller(session);

        // Killer disconnect: if killer player is null/offline, survivors win
        if (killer == null || killer.getPlayer() == null || !killer.getPlayer().isOnline()) {
            winReason = "survivors_win";
            Bukkit.broadcast(Component.text("[DBD] Маньяк покинул игру! Выжившие победили!", NamedTextColor.GREEN));
            announceSurvivorsWin(session);
            shouldEnd = true;
            return;
        }

        // Killer wins: all survivors are downed/hooked/carried/dead
        if (allSurvivorsIncapacitated(session)) {
            winReason = "killer_win";
            Bukkit.broadcast(Component.text("[DBD] Все выжившие обезврежены!", NamedTextColor.DARK_RED));
            announceKillerWin(session);
            shouldEnd = true;
            return;
        }

        // Survivors win: all generators done and at least one escaped
        if (hasEscapedSurvivor(session)) {
            winReason = "survivors_win";
            announceSurvivorsWin(session);
            shouldEnd = true;
        }
    }

    /** True if NO survivor can act (all are DOWNED, HOOKED, CARRIED, or DEAD). */
    private boolean allSurvivorsIncapacitated(GameSession session) {
        boolean hasSurvivors = false;
        for (BasePlayer bp : session.getPlayers().values()) {
            if (bp.isKiller()) continue;
            hasSurvivors = true;
            PlayerState st = bp.getState();
            if (st != PlayerState.DOWNED && st != PlayerState.HOOKED
                && st != PlayerState.CARRIED && st != PlayerState.DEAD) {
                return false; // at least one survivor can still act
            }
        }
        return hasSurvivors; // true if there are survivors and all are incapacitated
    }

    private int countAliveSurvivors(GameSession session) {
        int count = 0;
        for (BasePlayer bp : session.getPlayers().values()) {
            if (bp.isKiller()) continue;
            Survivor s = (Survivor) bp;
            if (!s.isDeadOrEscaped()) count++;
        }
        return count;
    }

    private boolean hasEscapedSurvivor(GameSession session) {
        for (BasePlayer bp : session.getPlayers().values()) {
            if (bp.isKiller()) continue;
            if (bp.getState() == PlayerState.ESCAPED) return true;
        }
        return false;
    }

    private Killer getKiller(GameSession session) {
        for (BasePlayer bp : session.getPlayers().values()) {
            if (bp.isKiller()) return (Killer) bp;
        }
        return null;
    }

    public void announceKillerWin(GameSession session) {
        winReason = "killer_win";
        Bukkit.broadcast(Component.text("[DBD] Маньяк победил! Все выжившие мертвы!", NamedTextColor.DARK_RED));
        for (BasePlayer bp : session.getPlayers().values()) {
            Player p = bp.getPlayer();
            if (p == null || !p.isOnline()) continue;
            if (!bp.isKiller() && bp.getState() == PlayerState.DEAD) {
                p.setGameMode(GameMode.SPECTATOR);
            } else {
                p.setGameMode(GameMode.SURVIVAL);
            }
            p.playSound(p.getLocation(), Sound.ENTITY_WITHER_DEATH, 1.0f, 1.0f);
        }
        // Teleport handled by EndgamePhase.exit()
    }

    public void announceSurvivorsWin(GameSession session) {
        winReason = "survivors_win";
        Bukkit.broadcast(Component.text("[DBD] Выжившие победили!", NamedTextColor.GREEN));
        for (BasePlayer bp : session.getPlayers().values()) {
            Player p = bp.getPlayer();
            if (p == null || !p.isOnline()) continue;
            p.setGameMode(GameMode.SURVIVAL);
            p.playSound(p.getLocation(), Sound.ENTITY_PLAYER_LEVELUP, 1.0f, 1.2f);
        }
        // Teleport handled by EndgamePhase.exit()
    }

    // Removed scheduleTeleportToLobby — teleport now happens only in EndgamePhase.exit()
}