import { Misc } from "./misc.js";
import { SYSTEM_RDD, SYSTEM_SOCKET_ID } from "./constants.js";
import { RdDTimestamp } from "./time/rdd-timestamp.js";


/**
 * Class providing helper methods to get the list of users, and 
 */
export class ChatUtility {

  static async init() {
    Hooks.on("renderChatMessage", async (app, html, msg) => await ChatUtility.onRenderChatMessage(app, html, msg))
    Hooks.on("createChatMessage", async (chatMessage, options, id) => await ChatUtility.onCreateChatMessage(chatMessage, options, id))
  }

  /* -------------------------------------------- */
  static onSocketMessage(sockmsg) {
    switch (sockmsg.msg) {
      case "msg_gm_chat_message": return ChatUtility.handleGMChatMessage(sockmsg.data)
      case "msg_delete_chat_message": return ChatUtility.onRemoveMessages(sockmsg.data)
      case "msg_user_ui_notifications": return ChatUtility.onNotifyUser(sockmsg.data)
    }
  }

  /* -------------------------------------------- */
  static notifyUser(userId, level = 'info', message) {
    const socketData = {
      userId: userId, level: level, message: message
    };
    if (game.user.id == userId) {
      ChatUtility.onNotifyUser(socketData);
    }
    else {
      game.socket.emit(SYSTEM_SOCKET_ID, {
        msg: "msg_user_ui_notifications", data: socketData
      });
    }
  }

  static onNotifyUser(socketData) {
    if (game.user.id == socketData.userId) {
      switch (socketData.level) {
        case 'warn': ui.notifications.warn(socketData.message); break;
        case 'error': ui.notifications.error(socketData.message); break;
        default: ui.notifications.info(socketData.message); break;
      }
    }
  }

  /* -------------------------------------------- */
  static onRemoveMessages(socketData) {
    if (Misc.isUniqueConnectedGM()) {
      if (socketData.part) {
        const toDelete = game.messages.filter(it => it.content.includes(socketData.part));
        toDelete.forEach(it => it.delete());
      }
      if (socketData.messageId) {
        game.messages.get(socketData.messageId)?.delete();
      }
    }
  }

  /* -------------------------------------------- */

  static removeMessages(socketData) {
    if (Misc.isUniqueConnectedGM()) {
      ChatUtility.onRemoveMessages(socketData);
    }
    else {
      game.socket.emit(SYSTEM_SOCKET_ID, { msg: "msg_delete_chat_message", data: socketData });
    }
  }

  /* -------------------------------------------- */
  static removeChatMessageContaining(part) {
    ChatUtility.removeMessages({ part: part });
  }

  static removeChatMessageId(messageId) {
    if (messageId) {
      ChatUtility.removeMessages({ messageId: messageId });
    }
  }

  /* -------------------------------------------- */
  static async createChatWithRollMode(messageData, actor = undefined) {
    switch (game.settings.get("core", "rollMode")) {
      case "blindroll": // GM only
        if (!game.user.isGM) {
          ChatUtility.blindMessageToGM(messageData)
          messageData.whisper = [game.user];
          messageData.content = "Message envoyé en aveugle au Gardien"
        }
        else {
          messageData.whisper = ChatUtility.getGMs()
        }
        break
      case "gmroll":
        messageData.whisper = ChatUtility.getOwners(actor)
        break
      case "selfroll":
        messageData.whisper = [game.user]
        break
    }
    messageData.alias = messageData.alias ?? actor?.name ?? game.user.name
    return await ChatMessage.create(messageData)
  }

  static getOwners(document) {
    return game.users.filter(it => document.getUserLevel(it) == CONST.DOCUMENT_OWNERSHIP_LEVELS.OWNER)
  }

  static getUserAndGMs() {
    return [game.user, ...ChatUtility.getGMs()]
  }

  /* -------------------------------------------- */
  static getMultipleActorsOwners(...actors) {
    return Misc.concat(actors.map(it => it == undefined ? [] : ChatUtility.getOwners(it)))
  }

  /* -------------------------------------------- */
  static getUsers(filter) {
    return game.users.filter(filter)
  }

  static getGMs() {
    return game.users.filter(user => user.isGM)
  }

  static applyRollMode(chatMessageData = {}, rollMode = game.settings.get("core", "rollMode")) {
    switch (rollMode) {
      case "blindroll":
        chatMessageData.blind = true
        chatMessageData.whisper = ChatUtility.getGMs()
        break
      case "gmroll":
        chatMessageData.whisper = ChatUtility.getGMs()
        chatMessageData.blind = false
        break
      case "roll":
        chatMessageData.whisper = ChatUtility.getUsers(user => user.active)
        chatMessageData.blind = false
        break
      case "selfroll":
        chatMessageData.whisper = [game.user]
        chatMessageData.blind = false
        break
    }
    return chatMessageData
  }

  /* -------------------------------------------- */
  static blindMessageToGM(chatOptions) {
    const chatGM = foundry.utils.duplicate(chatOptions)
    chatGM.content = "Message aveugle de " + game.user.name + "<br>" + chatOptions.content
    console.log("blindMessageToGM", chatGM)
    game.socket.emit(SYSTEM_SOCKET_ID, { msg: "msg_gm_chat_message", data: chatGM })
  }

  /* -------------------------------------------- */
  static handleGMChatMessage(socketData) {
    console.log("blindMessageToGM", socketData);
    if (Misc.firstConnectedGM()) {
      ChatMessage.create({
        user: game.user.id,
        whisper: ChatUtility.getGMs(),
        content: socketData.content
      })
    }
  }

  static async setMessageData(chatMessage, key, flag) {
    if (flag && chatMessage.isAuthor) {
      await chatMessage.setFlag(SYSTEM_RDD, key, flag)
    }
  }

  static getMessageData(chatMessage, key) {
    return chatMessage.getFlag(SYSTEM_RDD, key);
  }

  static getChatMessage(event) {
    const chatMessageId = $(event.currentTarget).closest('.chat-message').attr('data-message-id');
    return game.messages.get(chatMessageId);
  }

  static async onRenderChatMessage(chatMessage, html, data) {
    const rddTimestamp = chatMessage.getFlag(SYSTEM_RDD, 'rdd-timestamp')
    if (rddTimestamp) {
      const timestamp = new RdDTimestamp(rddTimestamp);
      const timestampData = timestamp.toCalendrier();
      const dateHeure = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/common/date-heure.hbs', timestampData);
      html.find('header.message-header .message-sender').after(dateHeure)
    }
  }

  static async onCreateChatMessage(chatMessage, options, id) {
    if (chatMessage.isAuthor) {
      await chatMessage.setFlag(SYSTEM_RDD, 'rdd-timestamp', game.system.rdd.calendrier.getTimestamp());
    }
  }
}