import {onManageActiveEffect, prepareActiveEffectCategories} from "../system/effects.mjs";

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

  /** @override */
  static get defaultOptions() {
    return mergeObject(super.defaultOptions, {
      classes: ["totem", "sheet", "actor"],
      template: "systems/totem/templates/actor/actor-sheet.html",
      width: 690,
      height: 800,
      tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "features" }]
    });
  }

  /** @override */
  get template() {
    return `systems/totem/templates/actor/actor-${this.actor.type}-sheet.html`;
  }

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

  /** @override */
  getData() {
    // Retrieve the data structure from the base sheet. You can inspect or log
    // the context variable to see the structure, but some key properties for
    // sheets are the actor object, the data object, whether or not it's
    // editable, the items array, and the effects array.
    const context = super.getData();

    // Use a safe clone of the actor data for further operations.
    const actorData = this.actor.toObject(false);

    // Add the actor's data to context.data for easier access, as well as flags.
    context.system = actorData.system;
    context.flags = actorData.flags;
    context.config = CONFIG.TOTEM;
    
    // Prepare character data and items.
    if (actorData.type == 'character') {
      this._prepareCharacterItems(context);
    }

    // Prepare NPC data and items.
    if (actorData.type == 'npc') {
      this._prepareItems(context);
    }

    // Add roll data for TinyMCE editors.
    context.rollData = context.actor.getRollData();

    // Prepare active effects
    context.effects = prepareActiveEffectCategories(this.actor.effects);

    return context;
  }

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

    // Render the item sheet for viewing/editing prior to the editable check.
    html.find('.item-edit').click(ev => {
      const li = $(ev.currentTarget).parents(".item");     
      const item = this.actor.items.get(li.data("itemId"));
      item.sheet.render(true);
    });

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

    // Add Inventory Item
    html.find('.item-create').click(this._onItemCreate.bind(this));

    // Delete Inventory Item
    html.find('.item-delete').click(ev => {
      const li = $(ev.currentTarget).parents(".item");
      const item = this.actor.items.get(li.data("itemId"));
      item.delete();
      li.slideUp(200, () => this.render(false));
    });

    // Active Effect management
    html.find(".effect-control").click(ev => onManageActiveEffect(ev, this.actor));

   
    // Drag events for macros.
    if (this.actor.isOwner) {
      let handler = ev => this._onDragStart(ev);
      html.find('li.item').each((i, li) => {
        if (li.classList.contains("inventory-header")) return;
        li.setAttribute("draggable", true);
        li.addEventListener("dragstart", handler, false);
      });
    }

  }


  /**
   * Organize and classify Items for Character sheets.
   *
   * @param {Object} actorData The actor to prepare.
   *
   * @return {undefined}
   */
  _prepareCharacterItems(context) {
    // Initialize containers.
    const gear = [];
    const traits = [];
    const defenses = [];
    const specialties = [];
    const abilities = [];
    const weapons = [];
    const evolutions = [];
    const traumas = [];
    const backgrounds = [];
    const rumors = [];

    // Iterate through items, allocating to containers
    for (let i of context.items) {
      i.img = i.img || DEFAULT_TOKEN;
      // Append to gear.
      if (i.type === 'item') {
        gear.push(i);
      }
      else if (i.type === 'trait') {
        traits.push(i);
      }
      else if (i.type === 'defense') {
        defenses.push(i);
      }
      else if (i.type === 'weapon') {
        weapons.push(i);
      }
      else if (i.type === 'specialty') {
        specialties.push(i);
      }
      else if (i.type === 'ability') {
        abilities.push(i);
      }
      else if (i.type === 'evolution') {
        evolutions.push(i);
      }
      else if (i.type === 'trauma') {
        traumas.push(i);
      }
      else if (i.type === 'background') {
        backgrounds.push(i);
      }
      else if (i.type === 'rumor') {
        rumors.push(i);
      }
     /* // Append to cephalie.
      else if (i.type === 'spell') {
        if (i.system.spellLevel != undefined) {
          cephalie[i.system.spellLevel].push(i);
        }
      }*/
    }

    // Assign and return
    context.gear = gear;
    context.weapons = weapons;
    context.defenses = defenses;
    context.traits = traits;
    context.specialties = specialties;
    context.abilities = abilities;
    context.evolutions = evolutions;
    context.traumas = traumas;
    context.backgrounds = backgrounds;
    context.rumors = rumors;
    console.log("context", context);
  }


  async _onItemCreate(event) {
    event.preventDefault();
    const header = event.currentTarget;
    // Get the type of item to create.
    const type = header.dataset.type;
    // Grab any data associated with this control.
    const data = duplicate(header.dataset);
    // Initialize a default name.
    const name = `New ${type.capitalize()}`;
    // Prepare the item object.
    const itemData = {
      name: name,
      type: type,
      system: data
    };
    // Remove the type from the dataset since it's in the itemData.type prop.
    delete itemData.system["type"];

    // Finally, create the item!
    return await Item.create(itemData, {parent: this.actor});
  }
}