import { Config } from "../../../core/configuration/Config";
import {
  AllPlayers,
  Cell,
  PlayerActions,
  UnitType,
} from "../../../core/game/Game";
import { TileRef } from "../../../core/game/GameMap";
import { GameView, PlayerView } from "../../../core/game/GameView";
import { flattenedEmojiTable } from "../../../core/Util";
import { renderNumber, translateText } from "../../Utils";
import { BuildItemDisplay, BuildMenu, flattenedBuildTable } from "./BuildMenu";
import { ChatIntegration } from "./ChatIntegration";
import { EmojiTable } from "./EmojiTable";
import { PlayerActionHandler } from "./PlayerActionHandler";
import { PlayerPanel } from "./PlayerPanel";
import { TooltipItem } from "./RadialMenu";

import allianceIcon from "../../../../resources/images/AllianceIconWhite.svg";
import boatIcon from "../../../../resources/images/BoatIconWhite.svg";
import buildIcon from "../../../../resources/images/BuildIconWhite.svg";
import chatIcon from "../../../../resources/images/ChatIconWhite.svg";
import donateGoldIcon from "../../../../resources/images/DonateGoldIconWhite.svg";
import donateTroopIcon from "../../../../resources/images/DonateTroopIconWhite.svg";
import emojiIcon from "../../../../resources/images/EmojiIconWhite.svg";
import infoIcon from "../../../../resources/images/InfoIcon.svg";
import targetIcon from "../../../../resources/images/TargetIconWhite.svg";
import traitorIcon from "../../../../resources/images/TraitorIconWhite.svg";
import { EventBus } from "../../../core/EventBus";

export interface MenuElementParams {
  myPlayer: PlayerView;
  selected: PlayerView | null;
  tile: TileRef;
  playerActions: PlayerActions;
  game: GameView;
  buildMenu: BuildMenu;
  emojiTable: EmojiTable;
  playerActionHandler: PlayerActionHandler;
  playerPanel: PlayerPanel;
  chatIntegration: ChatIntegration;
  eventBus: EventBus;
  closeMenu: () => void;
}

export interface MenuElement {
  id: string;
  name: string;
  displayed?: boolean | ((params: MenuElementParams) => boolean);
  color?: string;
  icon?: string;
  text?: string;
  fontSize?: string;
  tooltipItems?: TooltipItem[];

  disabled: (params: MenuElementParams) => boolean;
  action?: (params: MenuElementParams) => void; // For leaf items that perform actions
  subMenu?: (params: MenuElementParams) => MenuElement[]; // For non-leaf items that open submenus
}

export interface CenterButtonElement {
  disabled: (params: MenuElementParams) => boolean;
  action: (params: MenuElementParams) => void;
}

export const COLORS = {
  build: "#ebe250",
  building: "#2c2c2c",
  boat: "#3f6ab1",
  ally: "#53ac75",
  breakAlly: "#c74848",
  info: "#64748B",
  target: "#ff0000",
  infoDetails: "#7f8c8d",
  infoEmoji: "#f1c40f",
  trade: "#008080",
  embargo: "#6600cc",
  tooltip: {
    cost: "#ffd700",
    count: "#aaa",
  },
  chat: {
    default: "#66c",
    help: "#4caf50",
    attack: "#f44336",
    defend: "#2196f3",
    greet: "#ff9800",
    misc: "#9c27b0",
    warnings: "#e3c532",
  },
};

export enum Slot {
  Info = "info",
  Boat = "boat",
  Build = "build",
  Ally = "ally",
  Back = "back",
}

const infoChatElement: MenuElement = {
  id: "info_chat",
  name: "chat",
  disabled: () => false,
  color: COLORS.chat.default,
  icon: chatIcon,
  subMenu: (params: MenuElementParams) =>
    params.chatIntegration
      .createQuickChatMenu(params.selected!)
      .map((item) => ({
        ...item,
        action: item.action
          ? (_params: MenuElementParams) => item.action!(params)
          : undefined,
      })),
};

const allyTargetElement: MenuElement = {
  id: "ally_target",
  name: "target",
  disabled: (params: MenuElementParams): boolean => {
    if (params.selected === null) return true;
    return !params.playerActions.interaction?.canTarget;
  },
  color: COLORS.target,
  icon: targetIcon,
  action: (params: MenuElementParams) => {
    params.playerActionHandler.handleTargetPlayer(params.selected!.id());
    params.closeMenu();
  },
};

const allyTradeElement: MenuElement = {
  id: "ally_trade",
  name: "trade",
  disabled: (params: MenuElementParams) =>
    !!params.playerActions?.interaction?.canEmbargo,
  displayed: (params: MenuElementParams) =>
    !params.playerActions?.interaction?.canEmbargo,
  color: COLORS.trade,
  text: translateText("player_panel.start_trade"),
  action: (params: MenuElementParams) => {
    params.playerActionHandler.handleEmbargo(params.selected!, "stop");
    params.closeMenu();
  },
};

const allyEmbargoElement: MenuElement = {
  id: "ally_embargo",
  name: "embargo",
  disabled: (params: MenuElementParams) =>
    !params.playerActions?.interaction?.canEmbargo,
  displayed: (params: MenuElementParams) =>
    !!params.playerActions?.interaction?.canEmbargo,
  color: COLORS.embargo,
  text: translateText("player_panel.stop_trade"),
  action: (params: MenuElementParams) => {
    params.playerActionHandler.handleEmbargo(params.selected!, "start");
    params.closeMenu();
  },
};

const allyRequestElement: MenuElement = {
  id: "ally_request",
  name: "request",
  disabled: (params: MenuElementParams) =>
    !params.playerActions?.interaction?.canSendAllianceRequest,
  displayed: (params: MenuElementParams) =>
    !params.playerActions?.interaction?.canBreakAlliance,
  color: COLORS.ally,
  icon: allianceIcon,
  action: (params: MenuElementParams) => {
    params.playerActionHandler.handleAllianceRequest(
      params.myPlayer,
      params.selected!,
    );
    params.closeMenu();
  },
};

const allyBreakElement: MenuElement = {
  id: "ally_break",
  name: "break",
  disabled: (params: MenuElementParams) =>
    !params.playerActions?.interaction?.canBreakAlliance,
  displayed: (params: MenuElementParams) =>
    !!params.playerActions?.interaction?.canBreakAlliance,
  color: COLORS.breakAlly,
  icon: traitorIcon,
  action: (params: MenuElementParams) => {
    params.playerActionHandler.handleBreakAlliance(
      params.myPlayer,
      params.selected!,
    );
    params.closeMenu();
  },
};

const allyDonateGoldElement: MenuElement = {
  id: "ally_donate_gold",
  name: "donate gold",
  disabled: (params: MenuElementParams) =>
    !params.playerActions?.interaction?.canDonate,
  color: COLORS.ally,
  icon: donateGoldIcon,
  action: (params: MenuElementParams) => {
    params.playerActionHandler.handleDonateGold(params.selected!);
    params.closeMenu();
  },
};

const allyDonateTroopsElement: MenuElement = {
  id: "ally_donate_troops",
  name: "donate troops",
  disabled: (params: MenuElementParams) =>
    !params.playerActions?.interaction?.canDonate,
  color: COLORS.ally,
  icon: donateTroopIcon,
  action: (params: MenuElementParams) => {
    params.playerActionHandler.handleDonateTroops(params.selected!);
    params.closeMenu();
  },
};

const infoPlayerElement: MenuElement = {
  id: "info_player",
  name: "player",
  disabled: () => false,
  color: COLORS.info,
  icon: infoIcon,
  action: (params: MenuElementParams) => {
    params.playerPanel.show(params.playerActions, params.tile);
  },
};

const infoEmojiElement: MenuElement = {
  id: "info_emoji",
  name: "emoji",
  disabled: () => false,
  color: COLORS.infoEmoji,
  icon: emojiIcon,
  subMenu: (params: MenuElementParams) => {
    const emojiElements: MenuElement[] = [
      {
        id: "emoji_more",
        name: "more",
        disabled: () => false,
        color: COLORS.infoEmoji,
        icon: emojiIcon,
        action: (params: MenuElementParams) => {
          params.emojiTable.showTable((emoji) => {
            const targetPlayer =
              params.selected === params.game.myPlayer()
                ? AllPlayers
                : params.selected;
            params.playerActionHandler.handleEmoji(
              targetPlayer!,
              flattenedEmojiTable.indexOf(emoji),
            );
            params.emojiTable.hideTable();
          });
        },
      },
    ];

    const emojiCount = 8;
    for (let i = 0; i < emojiCount; i++) {
      emojiElements.push({
        id: `emoji_${i}`,
        name: flattenedEmojiTable[i],
        text: flattenedEmojiTable[i],
        disabled: () => false,
        fontSize: "25px",
        action: (params: MenuElementParams) => {
          const targetPlayer =
            params.selected === params.game.myPlayer()
              ? AllPlayers
              : params.selected;
          params.playerActionHandler.handleEmoji(targetPlayer!, i);
          params.closeMenu();
        },
      });
    }

    return emojiElements;
  },
};

export const infoMenuElement: MenuElement = {
  id: Slot.Info,
  name: "info",
  disabled: (params: MenuElementParams) =>
    !params.selected || params.game.inSpawnPhase(),
  icon: infoIcon,
  color: COLORS.info,
  action: (params: MenuElementParams) => {
    params.playerPanel.show(params.playerActions, params.tile);
  },
};

function getAllEnabledUnits(myPlayer: boolean, config: Config): Set<UnitType> {
  const Units: Set<UnitType> = new Set<UnitType>();

  const addStructureIfEnabled = (unitType: UnitType) => {
    if (!config.isUnitDisabled(unitType)) {
      Units.add(unitType);
    }
  };

  if (myPlayer) {
    addStructureIfEnabled(UnitType.City);
    addStructureIfEnabled(UnitType.DefensePost);
    addStructureIfEnabled(UnitType.Port);
    addStructureIfEnabled(UnitType.MissileSilo);
    addStructureIfEnabled(UnitType.SAMLauncher);
    addStructureIfEnabled(UnitType.Factory);
  } else {
    addStructureIfEnabled(UnitType.Warship);
    addStructureIfEnabled(UnitType.HydrogenBomb);
    addStructureIfEnabled(UnitType.MIRV);
    addStructureIfEnabled(UnitType.AtomBomb);
  }

  return Units;
}

export const buildMenuElement: MenuElement = {
  id: Slot.Build,
  name: "build",
  disabled: (params: MenuElementParams) => params.game.inSpawnPhase(),
  icon: buildIcon,
  color: COLORS.build,

  subMenu: (params: MenuElementParams) => {
    if (params === undefined) return [];

    const unitTypes: Set<UnitType> = getAllEnabledUnits(
      params.selected === params.myPlayer,
      params.game.config(),
    );
    const buildElements: MenuElement[] = flattenedBuildTable
      .filter((item) => unitTypes.has(item.unitType))
      .map((item: BuildItemDisplay) => ({
        id: `build_${item.unitType}`,
        name: item.key
          ? item.key.replace("unit_type.", "")
          : item.unitType.toString(),
        disabled: (params: MenuElementParams) =>
          !params.buildMenu.canBuildOrUpgrade(item),
        color: params.buildMenu.canBuildOrUpgrade(item)
          ? COLORS.building
          : undefined,
        icon: item.icon,
        tooltipItems: [
          { text: translateText(item.key || ""), className: "title" },
          {
            text: translateText(item.description || ""),
            className: "description",
          },
          {
            text: `${renderNumber(params.buildMenu.cost(item))} ${translateText("player_panel.gold")}`,
            className: "cost",
          },
          item.countable
            ? { text: `${params.buildMenu.count(item)}x`, className: "count" }
            : null,
        ].filter((item): item is TooltipItem => item !== null),
        action: (params: MenuElementParams) => {
          const buildableUnit = params.playerActions.buildableUnits.find(
            (bu) => bu.type === item.unitType,
          );
          if (buildableUnit === undefined) {
            return;
          }
          if (params.buildMenu.canBuildOrUpgrade(item)) {
            params.buildMenu.sendBuildOrUpgrade(buildableUnit, params.tile);
          }
          params.closeMenu();
        },
      }));

    return buildElements;
  },
};

export const boatMenuElement: MenuElement = {
  id: Slot.Boat,
  name: "boat",
  disabled: (params: MenuElementParams) =>
    !params.playerActions.buildableUnits.some(
      (unit) => unit.type === UnitType.TransportShip && unit.canBuild,
    ),
  icon: boatIcon,
  color: COLORS.boat,

  action: async (params: MenuElementParams) => {
    const spawn = await params.playerActionHandler.findBestTransportShipSpawn(
      params.myPlayer,
      params.tile,
    );

    params.playerActionHandler.handleBoatAttack(
      params.myPlayer,
      params.selected?.id() || null,
      params.tile,
      spawn !== false ? spawn : null,
    );

    params.closeMenu();
  },
};

export const centerButtonElement: CenterButtonElement = {
  disabled: (params: MenuElementParams): boolean => {
    const tileOwner = params.game.owner(params.tile);
    const isLand = params.game.isLand(params.tile);
    if (!isLand) {
      return true;
    }
    if (params.game.inSpawnPhase()) {
      if (tileOwner.isPlayer()) {
        return true;
      }
      return false;
    }
    return false;
  },
  action: (params: MenuElementParams) => {
    if (params.game.inSpawnPhase()) {
      const cell = new Cell(
        params.game.x(params.tile),
        params.game.y(params.tile),
      );
      params.playerActionHandler.handleSpawn(cell);
    } else {
      params.playerActionHandler.handleAttack(
        params.myPlayer,
        params.selected?.id() ?? null,
      );
    }
    params.closeMenu();
  },
};

export const rootMenuItems: MenuElement[] = [
  infoMenuElement,
  boatMenuElement,
  buildMenuElement,
];