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,
      mr: (this.object.type == 'specialisation'),
      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() {
    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 = PegasusUtility.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 addAbility(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID(dataItem.id.length);
    console.log("ABB", event, item, dataItem)
    if (event.toElement.className == 'drop-abilities') {
      let abilityArray = duplicate(this.object.data.data.abilities);
      abilityArray.push(newItem);
      await this.object.update({ 'data.abilities': abilityArray });
    }
    if (event.toElement.className == 'drop-optionnal-abilities') {
      let abilityArray = duplicate(this.object.data.data.optionnalabilities);
      abilityArray.push(newItem);
      await this.object.update({ 'data.optionnalabilities': abilityArray });
    }
  }

  /* -------------------------------------------- */
  async addRacePerk(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID(dataItem.id.length);
    if (event.toElement.className == 'drop-race-perk') {
      let perkArray = duplicate(this.object.data.data.perks);
      perkArray.push(newItem);
      await this.object.update({ 'data.perks': perkArray });
    }
  }

  /* -------------------------------------------- */
  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);
    if (event.toElement.className == 'drop-perk2') {
      let perkArray = duplicate(this.object.data.data.perks);
      perkArray.push(newItem);
      await this.object.update({ 'data.perks': perkArray });
    }
    if (event.toElement.className == 'drop-specialperk1') {
      let perkArray = duplicate(this.object.data.data.specialperk);
      perkArray.push(newItem);
      await this.object.update({ 'data.specialperk': perkArray });
    }
  }
  /* -------------------------------------------- */
  async addRoleAbility(event, item, dataItem) {
    let newItem = duplicate(item.data)
    newItem._id = randomID(dataItem.id.length)
    if (event.toElement.className == 'drop-specialability') {
      let abiArray = duplicate(this.object.data.data.specialability)
      abiArray.push(newItem)
      await this.object.update({ 'data.specialability': abiArray })
    }
  }

  /* -------------------------------------------- */
  async addPower(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID(dataItem.id.length);
    if (event.toElement.className == 'drop-spec-power') {
      let powArray = duplicate(this.object.data.data.powers);
      powArray.push(newItem);
      await this.object.update({ 'data.powers': powArray });
    }
  }

  /* -------------------------------------------- */
  async addAbilityPower(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID(dataItem.id.length);
    if (event.toElement.className == 'drop-ability-power') {
      let powArray = duplicate(this.object.data.data.powersgained);
      powArray.push(newItem);
      await this.object.update({ 'data.powersgained': powArray });
    }
  }
  /* -------------------------------------------- */
  async addAbilityEffect(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID(dataItem.id.length);
    if (event.toElement.className == 'drop-ability-effect') {
      let powArray = duplicate(this.object.data.data.effectsgained);
      powArray.push(newItem);
      await this.object.update({ 'data.effectsgained': powArray });
    }
  }

  /* -------------------------------------------- */
  async addAbilitySpec(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID(dataItem.id.length);
    if (event.toElement.className == 'drop-ability-spec') {
      let powArray = duplicate(this.object.data.data.specialisations);
      powArray.push(newItem);
      await this.object.update({ 'data.specialisations': powArray });
    }
  }
  /* -------------------------------------------- */
  async addAbilityWeaponArmor(event, item, dataItem) {
    let newItem = duplicate(item.data);
    newItem._id = randomID(dataItem.id.length);
    if (event.toElement.className == 'drop-ability-weapon') {
      let weaponArray = duplicate(this.object.data.data.attackgained);
      weaponArray.push(newItem);
      await this.object.update({ 'data.attackgained': weaponArray });
    }
    if (event.toElement.className == 'drop-ability-armor') {
      let armorArray = duplicate(this.object.data.data.armorgained);
      armorArray.push(newItem);
      await this.object.update({ 'data.armorgained': armorArray });
    }
  }

  /* -------------------------------------------- */
  async addPerkSpecialisation(event, item, dataItem) {
    let newItem = duplicate(item.data);
    if (event.toElement.className == 'drop-spec-perk') {
      //console.log("PER SPEC", event)
      let key = event.toElement.dataset["key"];
      if (key == 'affectedspec') {
        await this.object.update({ 'data.features.affectedspec.value': newItem.name });
      } else {
        await this.object.update({ 'data.features.gainspecdice.value': newItem.name });
      }
    }
  }

  /* -------------------------------------------- */
  async addPerkEffect(event, item, dataItem) {
    let newItem = duplicate(item.data)
    if (event.toElement.className == 'drop-perk-effect') {
      let effectArray = duplicate(this.object.data.data.effectsgained)
      effectArray.push(newItem)
      await this.object.update({ 'data.effectsgained': effectArray })
    }
  }

  /* -------------------------------------------- */
  async addEffectPower(event, item, dataItem) {
    let newItem = duplicate(item.data)
    if (event.toElement.className == 'drop-power-effect') {
      let effectArray = duplicate(this.object.data.data.effectsgained)
      effectArray.push(newItem);
      await this.object.update({ 'data.effectsgained': effectArray })
    }
  }

  /* -------------------------------------------- */
  async addEffectSpec(event, item, dataItem) {
    let newItem = duplicate(item.data);
    if (event.toElement.className == 'drop-effect-spec') {
      let specArray = duplicate(this.object.data.data.recoveryrollspec);
      specArray.push(newItem);
      await this.object.update({ 'data.recoveryrollspec': specArray });
    }
    if (event.toElement.className == 'drop-effect-specaffected') {
      let specArray = duplicate(this.object.data.data.specaffected);
      specArray.push(newItem);
      await this.object.update({ 'data.specaffected': specArray });
    }
  }

  /* -------------------------------------------- */
  async addEffectItem(event, item, dataItem) {
    let newItem = duplicate(item.data);
    if (event.toElement.className == 'drop-equipment-effect') {
      let effectArray = duplicate(this.object.data.data.effects);
      effectArray.push(newItem);
      await this.object.update({ 'data.effects': effectArray });
    }
  }

  /* -------------------------------------------- */
  async _onDrop(event) {

    if (this.object.type == 'weapon' || this.object.type == 'armor' || this.object.type == 'shield'
        || this.object.type == 'equipment') {      
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse(data);
        let item = await PegasusUtility.searchItem(dataItem);
        if (item.data.type == 'effect') {
          return this.addEffectItem(event, item, dataItem);
        }
      }
    }

    if (this.object.type == 'power') {
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse(data);
        let item = await PegasusUtility.searchItem(dataItem);
        if (item.data.type == 'effect') {
          return this.addEffectPower(event, item, dataItem);
        }
      }
    }

    if (this.object.type == 'effect') {
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse(data);
        let item = await PegasusUtility.searchItem(dataItem);
        if (item.data.type == 'specialisation') {
          return this.addEffectSpec(event, item, dataItem);
        }
      }
    }

    if (this.object.type == 'race') {
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse(data);
        let item = await PegasusUtility.searchItem(dataItem);
        if (item.data.type == 'ability') {
          return this.addAbility(event, item, dataItem);
        }
        if (item.data.type == 'perk') {
          return this.addRacePerk(event, item, dataItem);
        }
      }
    }

    if (this.object.type == 'perk') {
      let data = event.dataTransfer.getData('text/plain')
      if (data) {
        let dataItem = JSON.parse(data);
        let item = await PegasusUtility.searchItem(dataItem)
        if (item.data.type == 'specialisation') {
          return this.addPerkSpecialisation(event, item, dataItem)
        }
        if (item.data.type == 'effect') {
          return this.addPerkEffect(event, item, dataItem);
        }
      }
    }

    if (this.object.type == 'specialisation') {
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse(data);
        let item = await PegasusUtility.searchItem(dataItem);
        if (item.data.type == 'power') {
          return this.addPower(event, item, dataItem);
        }
      }
    }
    if (this.object.type == 'ability') {
      let data = event.dataTransfer.getData('text/plain');
      if (data) {
        let dataItem = JSON.parse(data);
        let item = await PegasusUtility.searchItem(dataItem);
        if (item.data.type == 'effect') {
          return this.addAbilityEffect(event, item, dataItem);
        }
        if (item.data.type == 'power') {
          return this.addAbilityPower(event, item, dataItem);
        }
        if (item.data.type == 'specialisation') {
          return this.addAbilitySpec(event, item, dataItem);
        }
        if (item.data.type == 'weapon' || item.data.type == 'armor') {
          return this.addAbilityWeaponArmor(event, item, dataItem);
        }
      }
    }

    if (this.object.type == 'role') {
      let data = event.dataTransfer.getData('text/plain')
      if (data) {
        let dataItem = JSON.parse(data)
        let item = await PegasusUtility.searchItem(dataItem)
        if (item.data.type == 'specialisation') {
          return this.addRoleSpecialisation(event, item, dataItem)
        }
        if (item.data.type == 'perk') {
          return this.addRolePerk(event, item, dataItem)
        }
        if (item.data.type == 'ability') {
          return this.addRoleAbility(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);
  }
}