/* -------------------------------------------- */
import { DarkStarsUtility } from "./dark-stars-utility.js";
import { DarkStarsRollDialog } from "./dark-stars-roll-dialog.js";

/* -------------------------------------------- */
const coverBonusTable = { "nocover": 0, "lightcover": 2, "heavycover": 4, "entrenchedcover": 6 };
const statThreatLevel = ["agi", "str", "phy", "com", "def", "per"]
const __subkey2title = {
  "melee-dmg": "Melee Damage", "melee-atk": "Melee Attack", "ranged-atk": "Ranged Attack",
  "ranged-dmg": "Ranged Damage", "dmg-res": "Damare Resistance"
}

/* -------------------------------------------- */
/* -------------------------------------------- */
/**
 * Extend the base Actor entity by defining a custom roll data structure which is ideal for the Simple system.
 * @extends {Actor}
 */
export class DarkStarsActor extends Actor {

  /* -------------------------------------------- */
  /**
   * Override the create() function to provide additional SoS functionality.
   *
   * This overrided create() function adds initial items 
   * Namely: Basic skills, money, 
   *
   * @param {Object} data        Barebones actor data which this function adds onto.
   * @param {Object} options     (Unused) Additional options which customize the creation workflow.
   *
   */

  static async create(data, options) {

    // Case of compendium global import
    if (data instanceof Array) {
      return super.create(data, options);
    }
    // If the created actor has items (only applicable to duplicated actors) bypass the new actor creation logic
    if (data.items) {
      let actor = super.create(data, options);
      return actor;
    }

    if (data.type == 'character') {
      const skills = await DarkStarsUtility.loadCompendium("fvtt-dark-stars.skills");
      data.items = skills.map(i => i.toObject())
    }
    if (data.type == 'npc') {
    }

    return super.create(data, options);
  }

  /* -------------------------------------------- */
  prepareBaseData() {
  }

  /* -------------------------------------------- */
  async prepareData() {
    super.prepareData();
  }

  /* -------------------------------------------- */
  computeHitPoints() {
    if (this.type == "character") {
    }
  }

  /* -------------------------------------------- */
  computeDerivated() {
    let attr = this.system.attributes
    let deriv = this.system.derivated
    let secondary = this.system.secondary 
    
    deriv.csb.value = Math.round((attr.dex.value + attr.sel.value) / 2) + deriv.csb.bonus
    deriv.asb.value = Math.round((attr.int.value + attr.edu.value) / 2) + deriv.asb.bonus
    deriv.ssb.value = Math.round((attr.cha.value + attr.emp.value + attr.att.value) / 3) + deriv.ssb.bonus
    deriv.msb.value = Math.round((attr.con.value + attr.str.value ) / 2) + deriv.msb.bonus
    deriv.psb.value = Math.round((attr.str.value + attr.dex.value + attr.con.value) / 3) + deriv.psb.bonus 

    deriv.ego.value = attr.str.value + attr.cha.value + attr.sel.value + attr.emp.value + deriv.ego.bonus
    deriv.hup.value = (attr.emp.value * 10) + deriv.hup.bonus 
    deriv.ss.value = (attr.edu.value * 10) + (attr.int.value * 10) + 250 + deriv.ss.bonus 

    deriv.mcdb.value = Math.round( (attr.str.value  + attr.siz.value) / 4) + deriv.mcdb.bonus 
    deriv.si.value = Math.round( ((attr.dex.value  + attr.sel.value) / 5) + 0.5) + deriv.si.bonus
    
    secondary.hp.max = ((attr.con.value + attr.siz.value ) * 2) + secondary.hp.bonus
    secondary.fp.max =  10  + attr.str.value + attr.con.value + secondary.fp.bonus
  }

  /* -------------------------------------------- */
  prepareDerivedData() {

    if (this.type == 'character' || game.user.isGM) {
      this.system.encCapacity = this.getEncumbranceCapacity()
      this.computeDerivated()
      this.buildContainerTree()
      this.computeHitPoints()
    }

    super.prepareDerivedData();
  }

  /* -------------------------------------------- */
  _preUpdate(changed, options, user) {

    super._preUpdate(changed, options, user);
  }

  /* -------------------------------------------- */
  getEncumbranceCapacity() {
    return 1;
  }

  getEquippedWeapons() {
    let comp = duplicate(this.items.filter(item => item.type == 'weapon' && item.system.equipped) || []);
    DarkStarsUtility.sortArrayObjectsByName(comp)
    return comp;
  }
  /* -------------------------------------------- */
  getArmors() {
    let comp = duplicate(this.items.filter(item => item.type == 'armor') || []);
    DarkStarsUtility.sortArrayObjectsByName(comp)
    return comp;
  }
  getEquippedArmor() {
    let comp = this.items.find(item => item.type == 'armor' && item.system.equipped)
    if (comp) {
      return duplicate(comp)
    }
    return undefined
  }
  /* -------------------------------------------- */
  getShields() {
    let comp = duplicate(this.items.filter(item => item.type == 'shield') || []);
    DarkStarsUtility.sortArrayObjectsByName(comp)
    return comp;
  }
  getEquippedShield() {
    let comp = this.items.find(item => item.type == 'shield' && item.system.equipped)
    if (comp) {
      return duplicate(comp)
    }
    return undefined
  }
  /* -------------------------------------------- */
  checkAndPrepareEquipment(item) {
  }

  /* -------------------------------------------- */
  checkAndPrepareEquipments(listItem) {
    for (let item of listItem) {
      this.checkAndPrepareEquipment(item)
    }
    return listItem
  }

  /* -------------------------------------------- */
  getConditions() {
    let comp = duplicate(this.items.filter(item => item.type == 'condition') || []);
    DarkStarsUtility.sortArrayObjectsByName(comp)
    return comp;
  }
  /* -------------------------------------------- */
  getWeapons() {
    let comp = duplicate(this.items.filter(item => item.type == 'weapon') || []);
    DarkStarsUtility.sortArrayObjectsByName(comp)
    return comp;
  }
  /* -------------------------------------------- */
  getItemById(id) {
    let item = this.items.find(item => item.id == id);
    if (item) {
      item = duplicate(item)
    }
    return item;
  }

  /* -------------------------------------------- */
  setSkillUsed( skillId, checked) {
    let skill = this.items.get(skillId)
    if(skill) {
      this.updateEmbeddedDocuments('Item', [ {_id: skill.id, 'system.used': checked} ])
    }
  }

  /* -------------------------------------------- */
  updateSkill(skill) {
    skill.derivated = duplicate(this.system.derivated[skill.system.base])
    skill.total = skill.system.value + skill.derivated.value + skill.system.bonus    
  }

  /* -------------------------------------------- */
  getSkills() {
    this.computeDerivated()
    let comp = duplicate(this.items.filter(item => item.type == 'skill') || [])
    for (let skill of comp) {
      this.updateSkill(skill)
    }
    DarkStarsUtility.sortArrayObjectsByName(comp)
    return comp
  }
  
  /* -------------------------------------------- */
  getPerks() {
    let comp = duplicate(this.items.filter(item => item.type == 'perk') || [])
    DarkStarsUtility.sortArrayObjectsByName(comp)
    return comp
  }

  /* -------------------------------------------- */
  async equipItem(itemId) {
    let item = this.items.find(item => item.id == itemId)
    if (item && item.system) {
      if (item.type == "armor") {
        let armor = this.items.find(item => item.id != itemId && item.type == "armor" && item.system.equipped)
        if (armor) {
          ui.notifications.warn("You already have an armor equipped!")
          return
        }
      }
      if (item.type == "shield") {
        let shield = this.items.find(item => item.id != itemId && item.type == "shield" && item.system.equipped)
        if (shield) {
          ui.notifications.warn("You already have a shield equipped!")
          return
        }
      }
      let update = { _id: item.id, "system.equipped": !item.system.equipped };
      await this.updateEmbeddedDocuments('Item', [update]); // Updates one EmbeddedEntity
    }
  }

  /* -------------------------------------------- */
  compareName(a, b) {
    if (a.name < b.name) {
      return -1;
    }
    if (a.name > b.name) {
      return 1;
    }
    return 0;
  }

  /* ------------------------------------------- */
  getEquipments() {
    return this.items.filter(item => item.type == 'shield' || item.type == 'armor' || item.type == "weapon" || item.type == "equipment");
  }
  /* ------------------------------------------- */
  getEquipmentsOnly() {
    return duplicate(this.items.filter(item => item.type == "equipment") || [])
  }

  /* ------------------------------------------- */
  getSaveRoll() {
    return {
      reflex: {
        "label": "Reflex Save",
        "img": "systems/fvtt-dark-stars/images/icons/saves/reflex_save.webp",
        "value": this.system.abilities.agi.value + this.system.abilities.wit.value
      },
      fortitude: {
        "label": "Fortitude Save",
        "img": "systems/fvtt-dark-stars/images/icons/saves/fortitude_save.webp",
        "value": this.system.abilities.str.value + this.system.abilities.con.value
      },
      willpower: {
        "label": "Willpower Save",
        "img": "systems/fvtt-dark-stars/images/icons/saves/will_save.webp",
        "value": this.system.abilities.int.value + this.system.abilities.cha.value
      }
    }
  }

  /* ------------------------------------------- */
  async buildContainerTree() {
    let equipments = duplicate(this.items.filter(item => item.type == "equipment") || [])
    for (let equip1 of equipments) {
      if (equip1.system.iscontainer) {
        equip1.system.contents = []
        equip1.system.contentsEnc = 0
        for (let equip2 of equipments) {
          if (equip1._id != equip2.id && equip2.system.containerid == equip1.id) {
            equip1.system.contents.push(equip2)
            let q = equip2.system.quantity ?? 1
            equip1.system.contentsEnc += q * equip2.system.weight
          }
        }
      }
    }

    // Compute whole enc
    let enc = 0
    for (let item of equipments) {
      //item.data.idrDice = DarkStarsUtility.getDiceFromLevel(Number(item.data.idr))
      if (item.system.equipped) {
        if (item.system.iscontainer) {
          enc += item.system.contentsEnc
        } else if (item.system.containerid == "") {
          let q = item.system.quantity ?? 1
          enc += q * item.system.weight
        }
      }
    }
    for (let item of this.items) { // Process items/shields/armors
      if ((item.type == "weapon" || item.type == "shield" || item.type == "armor") && item.system.equipped) {
        let q = item.system.quantity ?? 1
        enc += q * item.system.weight
      }
    }

    // Store local values
    this.encCurrent = enc
    this.containersTree = equipments.filter(item => item.system.containerid == "") // Returns the root of equipements without container

  }

  /* -------------------------------------------- */
  async rollArmor(rollData) {
    let armor = this.getEquippedArmor()
    if (armor) {

    }
    return { armor: "none" }
  }

  /* -------------------------------------------- */
  async incDecHP(formula) {
    let dmgRoll = new Roll(formula + "[dark-starsorange]").roll({ async: false })
    await DarkStarsUtility.showDiceSoNice(dmgRoll, game.settings.get("core", "rollMode"))
    let hp = duplicate(this.system.secondary.hp)
    hp.value = Number(hp.value) + Number(dmgRoll.total)
    this.update({ 'system.secondary.hp': hp })
    return Number(dmgRoll.total)
  }

  /* -------------------------------------------- */
  getAbility(abilKey) {
    return this.system.abilities[abilKey];
  }

  /* -------------------------------------------- */
  async addObjectToContainer(itemId, containerId) {
    let container = this.items.find(item => item.id == containerId && item.system.iscontainer)
    let object = this.items.find(item => item.id == itemId)
    if (container) {
      if (object.system.iscontainer) {
        ui.notifications.warn("Only 1 level of container allowed")
        return
      }
      let alreadyInside = this.items.filter(item => item.system.containerid && item.system.containerid == containerId);
      if (alreadyInside.length >= container.system.containercapacity) {
        ui.notifications.warn("Container is already full !")
        return
      } else {
        await this.updateEmbeddedDocuments("Item", [{ _id: object.id, 'system.containerid': containerId }])
      }
    } else if (object && object.system.containerid) { // remove from container
      console.log("Removeing: ", object)
      await this.updateEmbeddedDocuments("Item", [{ _id: object.id, 'system.containerid': "" }]);
    }
  }

  /* -------------------------------------------- */
  async preprocessItem(event, item, onDrop = false) {
    let dropID = $(event.target).parents(".item").attr("data-item-id") // Only relevant if container drop
    let objectID = item.id || item._id
    this.addObjectToContainer(objectID, dropID)
    return true
  }

  /* -------------------------------------------- */
  async equipGear(equipmentId) {
    let item = this.items.find(item => item.id == equipmentId);
    if (item && item.system) {
      let update = { _id: item.id, "system.equipped": !item.system.equipped };
      await this.updateEmbeddedDocuments('Item', [update]); // Updates one EmbeddedEntity
    }
  }
  /* -------------------------------------------- */
  getInitiativeScore(combatId, combatantId) {
    if (this.type == 'character') {
      this.rollMR(true, combatId, combatantId)
    }
    console.log("Init required !!!!")
    return -1;
  }

  /* -------------------------------------------- */
  getSubActors() {
    let subActors = [];
    for (let id of this.system.subactors) {
      subActors.push(duplicate(game.actors.get(id)))
    }
    return subActors;
  }
  /* -------------------------------------------- */
  async addSubActor(subActorId) {
    let subActors = duplicate(this.system.subactors);
    subActors.push(subActorId);
    await this.update({ 'system.subactors': subActors });
  }
  /* -------------------------------------------- */
  async delSubActor(subActorId) {
    let newArray = [];
    for (let id of this.system.subactors) {
      if (id != subActorId) {
        newArray.push(id);
      }
    }
    await this.update({ 'system.subactors': newArray });
  }

  /* -------------------------------------------- */
  getOneSkill(skillId) {
    let skill = this.items.find(item => item.type == 'skill' && item.id == skillId)
    if (skill) {
      skill = duplicate(skill);
    }
    return skill;
  }

  /* -------------------------------------------- */
  async deleteAllItemsByType(itemType) {
    let items = this.items.filter(item => item.type == itemType);
    await this.deleteEmbeddedDocuments('Item', items);
  }

  /* -------------------------------------------- */
  async addItemWithoutDuplicate(newItem) {
    let item = this.items.find(item => item.type == newItem.type && item.name.toLowerCase() == newItem.name.toLowerCase())
    if (!item) {
      await this.createEmbeddedDocuments('Item', [newItem]);
    }
  }

  /* -------------------------------------------- */
  async incrementSkillExp(skillId, inc) {
    let skill = this.items.get(skillId)
    if (skill) {
      await this.updateEmbeddedDocuments('Item', [{ _id: skill.id, 'system.exp': skill.system.exp + inc }])
      let chatData = {
        user: game.user.id,
        rollMode: game.settings.get("core", "rollMode"),
        whisper: [game.user.id].concat(ChatMessage.getWhisperRecipients('GM')),
        content: `<div>${this.name} has gained 1 exp in the skill ${skill.name} (exp = ${skill.system.exp})</div`
      }
      ChatMessage.create(chatData)
      if (skill.system.exp >= 25) {
        await this.updateEmbeddedDocuments('Item', [{ _id: skill.id, 'system.exp': 0, 'system.explevel': skill.system.explevel + 1 }])
        let chatData = {
          user: game.user.id,
          rollMode: game.settings.get("core", "rollMode"),
          whisper: [game.user.id].concat(ChatMessage.getWhisperRecipients('GM')),
          content: `<div>${this.name} has gained 1 exp SL in the skill ${skill.name} (new exp SL :  ${skill.system.explevel}) !</div`
        }
        ChatMessage.create(chatData)
      }
    }
  }

  /* -------------------------------------------- */
  async incDecQuantity(objetId, incDec = 0) {
    let objetQ = this.items.get(objetId)
    if (objetQ) {
      let newQ = objetQ.system.quantity + incDec
      if (newQ >= 0) {
        const updated = await this.updateEmbeddedDocuments('Item', [{ _id: objetQ.id, 'system.quantity': newQ }]) // pdates one EmbeddedEntity
      }
    }
  }
  /* -------------------------------------------- */
  async incDecAmmo(objetId, incDec = 0) {
    let objetQ = this.items.get(objetId)
    if (objetQ) {
      let newQ = objetQ.system.ammocurrent + incDec;
      if (newQ >= 0 && newQ <= objetQ.system.ammomax) {
        const updated = await this.updateEmbeddedDocuments('Item', [{ _id: objetQ.id, 'system.ammocurrent': newQ }]); // pdates one EmbeddedEntity
      }
    }
  }

  /* -------------------------------------------- */
  isForcedAdvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.advantage)
  }
  isForcedDisadvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.disadvantage)
  }
  isForcedRollAdvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.rolladvantage)
  }
  isForcedRollDisadvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.rolldisadvantage)
  }
  isNoAdvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.noadvantage)
  }
  isNoAction() {
    return this.items.find(cond => cond.type == "condition" && cond.system.noaction)
  }
  isAttackDisadvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.attackdisadvantage)
  }
  isDefenseDisadvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.defensedisadvantage)
  }
  isAttackerAdvantage() {
    return this.items.find(cond => cond.type == "condition" && cond.system.targetadvantage)
  }

  /* -------------------------------------------- */
  modifyRerolls( value) {
    let rerolls = duplicate(this.system.various.rerolls)
    rerolls.value += value
    this.update({ 'system.various.rerolls': rerolls })
  }

  /* -------------------------------------------- */
  getCommonRollData(abilityKey = undefined) {
    let noAction = this.isNoAction()
    if (noAction) {
      ui.notifications.warn("You can't do any actions du to the condition : " + noAction.name)
      return
    }

    let rollData = DarkStarsUtility.getBasicRollData()
    rollData.alias = this.name
    rollData.actorImg = this.img
    rollData.actorId = this.id
    rollData.img = this.img
    rollData.armors = this.getArmors()
    rollData.conditions = this.getConditions()
    rollData.rerolls = this.system.various.rerolls.value

    if (rollData.defenderTokenId) {
      let defenderToken = game.canvas.tokens.get(rollData.defenderTokenId)
      let defender = defenderToken.actor

      // Distance management
      let token = this.token
      if (!token) {
        let tokens = this.getActiveTokens()
        token = tokens[0]
      }
      if (token) {
        const ray = new Ray(token.object?.center || token.center, defenderToken.center)
        rollData.tokensDistance = canvas.grid.measureDistances([{ ray }], { gridSpaces: false })[0] / canvas.grid.grid.options.dimensions.distance
      } else {
        ui.notifications.info("No token connected to this actor, unable to compute distance.")
        return
      }
      if (defender) {
        rollData.forceAdvantage = defender.isAttackerAdvantage()
        rollData.advantageFromTarget = true
      }
    }

    if (abilityKey) {
      rollData.ability = this.getAbility(abilityKey)
      rollData.selectedKill = undefined
    }

    console.log("ROLLDATA", rollData)

    return rollData
  }

  /* -------------------------------------------- */
  rollAbility(abilityKey) {
    let rollData = this.getCommonRollData(abilityKey)
    rollData.mode = "ability"
    if (rollData.target) {
      ui.notifications.warn("You are targetting a token with a skill : please use a Weapon instead.")
      return
    }
    DarkStarsUtility.rollDarkStars(rollData)
  }

  /* -------------------------------------------- */
  rollSkill(skillId) {
    let skill = this.items.get(skillId)
    if (skill) {
      skill = duplicate(skill)
      this.updateSkill(skill)
      let rollData = this.getCommonRollData()
      rollData.mode = "skill"
      rollData.title = "Skill " + skill.name
      rollData.skill = skill
      rollData.img = skill.img
      if (rollData.target) {
        ui.notifications.warn("You are targetting a token with a skill : please use a Weapon instead.")
        return
      }
      this.startRoll(rollData)
    }
  }

  /* -------------------------------------------- */
  rollWeapon(weaponId) {
    let weapon = this.items.get(weaponId)
    if (weapon) {
      weapon = duplicate(weapon)
      let skill = this.items.find(item => item.name.toLowerCase() == weapon.system.skill.toLowerCase())
      if (skill) {
        skill = duplicate(skill)
        this.updateSkill(skill)
        let rollData = this.getCommonRollData()
        rollData.mode = "weapon"
        rollData.skill = skill
        rollData.weapon = weapon
        rollData.img = weapon.img
        this.startRoll(rollData)
      } else {
        ui.notifications.warn("Unable to find the relevant skill for weapon " + weapon.name)
      }
    }
  }

  /* -------------------------------------------- */
  async startRoll(rollData) {
    let rollDialog = await DarkStarsRollDialog.create(this, rollData)
    rollDialog.render(true)
  }

}