import { PegasusUtility } from "./pegasus-utility.js";

/**
 * Extend the basic ItemSheet with some very simple modifications
 * @extends {ItemSheet}
 */
export class PegasusItemSheet extends ItemSheet {

  /** @override */
	static get defaultOptions() {

    return mergeObject(super.defaultOptions, {
			classes: ["fvtt-pegasus-rpg", "sheet", "item"],
			template: "systems/fvtt-pegasus-rpg/templates/item-sheet.html",
      dragDrop: [{dragSelector: null, dropSelector: null}],
			width: 620,
			height: 550
      //tabs: [{navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "description"}]
		});
  }

  /* -------------------------------------------- */
  _getHeaderButtons() {
    let buttons = super._getHeaderButtons();
    // Add "Post to chat" button
    // We previously restricted this to GM and editable items only. If you ever find this comment because it broke something: eh, sorry!
    buttons.unshift(
      {
        class: "post",
        icon: "fas fa-comment",
        onclick: ev => {} 
      })
    return buttons
  }

  /* -------------------------------------------- */
  /** @override */
  setPosition(options={}) {
    const position = super.setPosition(options);
    const sheetBody = this.element.find(".sheet-body");
    const bodyHeight = position.height - 192;
    sheetBody.css("height", bodyHeight);
    if ( this.item.type.includes('weapon')) {
      position.width = 640;
    }
    return position;
  }
  
  /* -------------------------------------------- */
  async getData() {
    const objectData = PegasusUtility.data(this.object);
    
    let itemData = foundry.utils.deepClone(PegasusUtility.templateData(this.object));
    let formData = {
      title: this.title,
      id: this.id,
      type: objectData.type,
      img: objectData.img,
      name: objectData.name,
      editable: this.isEditable,
      cssClass: this.isEditable ? "editable" : "locked",
      optionsDiceList: PegasusUtility.getOptionsDiceList(),
      optionsStatusList: PegasusUtility.getOptionsStatusList(),
      data: itemData, 
      limited: this.object.limited,
      options: this.options,
      owner: this.document.isOwner,
      isGM: game.user.isGM      
    }
    
    this.options.editable = !(this.object.data.origin == "embeddedItem");
    console.log("ITEM DATA", formData, this);
    return formData;
  }


  /* -------------------------------------------- */
  _getHeaderButtons() {
    let buttons = super._getHeaderButtons();
    buttons.unshift({
      class: "post",
      icon: "fas fa-comment",
      onclick: ev => this.postItem()
    });
    return buttons
  }
  
  /* -------------------------------------------- */
  postItem() {
    console.log(this.item);
    let chatData = duplicate(PegasusUtility.data(this.item));
    if (this.actor) {
      chatData.actor = { id: this.actor.id };
    }
    // Don't post any image for the item (which would leave a large gap) if the default image is used
    if (chatData.img.includes("/blank.png")) {
      chatData.img = null;
    }
    // JSON object for easy creation
    chatData.jsondata = JSON.stringify(
      {
        compendium: "postedItem",
        payload: chatData,
      });

    renderTemplate('systems/fvtt-pegasus-rpg/templates/post-item.html', chatData).then(html => {
      let chatOptions = WotGUtility.chatDataSetup(html);
      ChatMessage.create(chatOptions)
    });
  }

  /* -------------------------------------------- */
  async viewSubitem(ev) {
    let field = $(ev.currentTarget).data('type');
    let idx = Number($(ev.currentTarget).data('index'));
    let itemData = this.object.data.data[field][idx];
    if ( itemData.name != 'None') {
      let spec = await Item.create(itemData, {temporary: true});   
      spec.data.origin = "embeddedItem";
      new PegasusItemSheet(spec).render(true);
    }
  }

  /* -------------------------------------------- */
  async deleteSubitem(ev) {
    let field = $(ev.currentTarget).data('type');
    let idx = Number($(ev.currentTarget).data('index'));
    let oldArray = this.object.data.data[field];
    let itemData = this.object.data.data[field][idx];
    if ( itemData.name != 'None') {
      let newArray = [];
      for( var i = 0; i < oldArray.length; i++) { 
        if ( i != idx) {
          newArray.push( oldArray[i]);
        }
      }
      this.object.update( { [`data.${field}`]: newArray} );
    }
  }
  
  /* -------------------------------------------- */
  async manageSpec( ) {
    let itemData = this.object.data.data.specialisation[0];
    if ( itemData.name != 'None') {
      let spec = await Item.create(itemData, {temporary: true});   
      spec.data.origin = "embeddedItem";
      new PegasusItemSheet(spec).render(true);
    }
  }

  /* -------------------------------------------- */
  /** @override */
	activateListeners(html) {
    super.activateListeners(html);

    // Everything below here is only needed if the sheet is editable
    if (!this.options.editable) return;
    

    // Update Inventory Item
    html.find('.item-edit').click(ev => {
      const li = $(ev.currentTarget).parents(".item");
      const item = this.object.options.actor.getOwnedItem(li.data("item-id"));
      item.sheet.render(true);
    });
    
    html.find('.delete-spec').click( ev => {
      this.object.update( {"data.specialisation": [ { name: 'None'} ]} );
    });

    html.find('.delete-subitem').click( ev => {
      this.deleteSubitem( ev );
    });

    html.find('.stat-choice-flag').click( ev => {
      let idx = $(ev.currentTarget).data("stat-idx");
      let array = duplicate(this.object.data.data.statincreasechoice);
      array[Number(idx)].flag = !array[Number(idx)].flag;
      this.object.update( {"data.statincreasechoice": array} );
    });

    // Update Inventory Item
    html.find('.item-delete').click(ev => {
      const li = $(ev.currentTarget).parents(".item");
      let itemId = li.data("item-id");
      let itemType = li.data("item-type");
    });

    html.find('.view-subitem').click(ev => {
      this.viewSubitem( ev );
    });
    
    html.find('.view-spec').click(ev => {
      this.manageSpec( );
    });

  }

  /* -------------------------------------------- */
  async searchItem( dataItem) {
    let item;
    if (dataItem.pack) {
      item = await fromUuid(dataItem.id);
    } else {
      item = game.items.get(dataItem.id )
    }
    return item;
  }

  /* -------------------------------------------- */
  async addSpecialisation(item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID( dataItem.id.length );
    let specArray = [ newItem ];
    await this.object.update( { 'data.specialisation': specArray} );     
  }

  /* -------------------------------------------- */
  async addRoleSpecialisation(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID( dataItem.id.length );
    console.log("Add spec", event, newItem);
    if ( event.toElement.className == 'drop-spec1') {
      let specArray = duplicate(this.object.data.data.specialisationsplus1);
      specArray.push( newItem );
      await this.object.update( { 'data.specialisationsplus1': specArray} );     
    }
    if ( event.toElement.className == 'drop-spec2') {
      let specArray = duplicate(this.object.data.data.specincrease);
      specArray.push( newItem );
      await this.object.update( { 'data.specincrease': specArray} );     
    }
  }

  /* -------------------------------------------- */
  async addRolePerk(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID( dataItem.id.length );
    console.log("Add spec", event, newItem);
    if ( event.toElement.className == 'drop-perk2') {
      let perkArray = duplicate(this.object.data.data.perks);
      perkArray.push( newItem );
      await this.object.update( { 'data.perks': perkArray} );     
    }
  }
    
  /* -------------------------------------------- */
  async _onDrop(event) {
    console.log(event);
    if (this.object.type == 'perk'  || this.object.type == 'ability')  {
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse( data );
        let item = await this.searchItem( dataItem);
        if ( item.data.type == 'specialisation') {
          return this.addSpecialisation( item, dataItem);
        }
      }
    }
    if (this.object.type == 'role' )  {
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse( data );
        let item = await this.searchItem( dataItem);
        if ( item.data.type == 'specialisation') {
          return this.addRoleSpecialisation( event, item, dataItem);
        }
        if ( item.data.type == 'perk') {
          return this.addRolePerk( event, item, dataItem);
        }
      }
    }

    ui.notifications.warn("This item can not be dropped over another item");
  }
  
  /* -------------------------------------------- */
  get template() {
    let type = this.item.type;
    return `systems/fvtt-pegasus-rpg/templates/item-${type}-sheet.html`;
  }

  /* -------------------------------------------- */
  /** @override */
  _updateObject(event, formData) {
    return this.object.update(formData);
  }
}