import LethalFantasyActorSheet from "./base-actor-sheet.mjs"
import LethalFantasyRoll from "../../documents/roll.mjs"

export default class LethalFantasyMonsterSheet extends LethalFantasyActorSheet {
  /** @override */
  static DEFAULT_OPTIONS = {
    classes: ["monster"],
    position: {
      width: 1060,
      height: 780,
    },
    window: {
      contentClasses: ["monster-content"],
    },
    actions: {
      rangedAttackDefense: LethalFantasyMonsterSheet.#onRangedAttackDefense,
      rollInitiative: LethalFantasyMonsterSheet.#onRollInitiative,
    },
  }

  /** @override */
  static PARTS = {
    main: {
      template: "systems/fvtt-lethal-fantasy/templates/monster-main.hbs",
    },
    tabs: {
      template: "templates/generic/tab-navigation.hbs",
    },
    combat: {
      template: "systems/fvtt-lethal-fantasy/templates/monster-combat.hbs",
    },
    biography: {
      template: "systems/fvtt-lethal-fantasy/templates/monster-biography.hbs",
    },
  }

  /** @override */
  tabGroups = {
    sheet: "combat",
  }

  /**
   * Prepare an array of form header tabs.
   * @returns {Record<string, Partial<ApplicationTab>>}
   */
  #getTabs() {
    let tabs = {
      combat: { id: "combat", group: "sheet", icon: "fa-solid fa-swords", label: "LETHALFANTASY.Label.combat" },
      biography: { id: "biography", group: "sheet", icon: "fa-solid fa-book", label: "LETHALFANTASY.Label.biography" },
    }
    for (const v of Object.values(tabs)) {
      v.active = this.tabGroups[v.group] === v.id
      v.cssClass = v.active ? "active" : ""
    }
    return tabs
  }

  /** @override */
  async _prepareContext() {
    const context = await super._prepareContext()
    context.tabs = this.#getTabs()

    return context
  }

  _generateTooltip(type, target) {
  }

  /** @override */
  async _preparePartContext(partId, context) {
    const doc = this.document
    switch (partId) {
      case "main":
        break
      case "combat":
        context.tab = context.tabs.combat
        context.weapons = doc.itemTypes.weapon
        break
      case "biography":
        context.tab = context.tabs.biography
        context.enrichedDescription = await TextEditor.enrichHTML(doc.system.description, { async: true })
        context.enrichedNotes = await TextEditor.enrichHTML(doc.system.notes, { async: true })
        break
    }
    return context
  }

  // #region Drag-and-Drop Workflow

  /**
   * Callback actions which occur when a dragged element is dropped on a target.
   * @param {DragEvent} event       The originating DragEvent
   * @protected
   */
  async _onDrop(event) {
    if (!this.isEditable || !this.isEditMode) return
    const data = TextEditor.getDragEventData(event)

    // Handle different data types
    switch (data.type) {
      case "Item":
        const item = await fromUuid(data.uuid)
        return this._onDropItem(item)
    }
  }

  static async #onRangedAttackDefense(event, target) {
    const hasTarget = false

    let roll = await LethalFantasyRoll.promptRangedDefense({
      actorId: this.actor.id,
      actorName: this.actor.name,
      actorImage: this.actor.img,
    })
    if (!roll) return null

    await roll.toMessage({}, { rollMode: roll.options.rollMode })
  }

  static async #onRollInitiative(event, target) {
    await this.document.system.rollInitiative(event, target)
  }

  getBestWeaponClassSkill(skills, rollType, multiplier = 1.0) {
    let maxValue = 0
    let goodSkill = skills[0]
    for (let s of skills) {
      if (rollType === "weapon-attack") {
        if (s.system.weaponBonus.attack > maxValue) {
          maxValue = Number(s.system.weaponBonus.attack)
          goodSkill = s
        }
      }
      if (rollType === "weapon-defense") {
        if (s.system.weaponBonus.defense > maxValue) {
          maxValue = Number(s.system.weaponBonus.defense)
          goodSkill = s
        }
      }
      if (rollType.includes("weapon-damage")) {
        if (s.system.weaponBonus.damage > maxValue) {
          maxValue = Number(s.system.weaponBonus.damage)
          goodSkill = s
        }
      }
    }
    goodSkill.weaponSkillModifier = maxValue * multiplier
    return goodSkill
  }

  /**
   * Handles the roll action triggered by user interaction.
   *
   * @param {PointerEvent} event The event object representing the user interaction.
   * @param {HTMLElement} target The target element that triggered the roll.
   *
   * @returns {Promise<void>} A promise that resolves when the roll action is complete.
   *
   * @throws {Error} Throws an error if the roll type is not recognized.
   *
   * @description This method checks the current mode (edit or not) and determines the type of roll
   * (save, resource, or damage) based on the target element's data attributes. It retrieves the
   * corresponding value from the document's system and performs the roll.
   */

  async _onRoll(event, target) {
    if (this.isEditMode) return
    const rollType = event.target.dataset.rollType
    let rollTarget
    let rollKey = event.target.dataset.rollKey
    switch (rollType) {
      case "monster-attack":  
      case "monster-defense":
      case "monster-damage":
        rollTarget = foundry.utils.duplicate(this.document.system.attacks[rollKey])
        rollTarget.rollKey = rollKey
        break
      case "resist":
        rollTarget = foundry.utils.duplicate(this.document.system.resists[rollKey])
        rollTarget.rollKey = rollKey
        break
      case "save":
        rollTarget = foundry.utils.duplicate(this.document.system.saves[rollKey])
        rollTarget.rollKey = rollKey
        rollTarget.rollDice = event.target.dataset?.rollDice
        break
      case "weapon-damage-small":
      case "weapon-damage-medium":
      case "weapon-attack":
      case "weapon-defense":
        let weapon = this.actor.items.find((i) => i.type === "weapon" && i.id === rollKey)
        let skill
        let skills = this.actor.items.filter((i) => i.type === "skill" && i.name.toLowerCase() === weapon.name.toLowerCase())
        if (skills.length > 0) {
          skill = this.getBestWeaponClassSkill(skills, rollType, 1.0)
        } else {
          skills = this.actor.items.filter((i) => i.type === "skill" && i.name.toLowerCase().replace(" skill", "") === weapon.name.toLowerCase())
          if (skills.length > 0) {
            skill = this.getBestWeaponClassSkill(skills, rollType, 1.0)
          } else {
            skills = this.actor.items.filter((i) => i.type === "skill" && i.system.weaponClass === weapon.system.weaponClass)
            if (skills.length > 0) {
              skill = this.getBestWeaponClassSkill(skills, rollType, 0.5)
            } else {
              skills = this.actor.items.filter((i) => i.type === "skill" && i.system.weaponClass.includes(SYSTEM.WEAPON_CATEGORIES[weapon.system.weaponClass]))
              if (skills.length > 0) {
                skill = this.getBestWeaponClassSkill(skills, rollType, 0.25)
              } else {
                ui.notifications.warn(game.i18n.localize("LETHALFANTASY.Notifications.skillNotFound"))
                return
              }
            }
          }
        }
        if (!weapon || !skill) {
          console.error("Weapon or skill not found", weapon, skill)
          ui.notifications.warn(game.i18n.localize("LETHALFANTASY.Notifications.skillNotFound"))
          return
        }
        rollTarget = skill
        rollTarget.weapon = weapon
        rollTarget.weaponSkillModifier = skill.weaponSkillModifier
        rollTarget.rollKey = rollKey
        rollTarget.combat = foundry.utils.duplicate(this.actor.system.combat)
        break
      default:
        ui.notifications.error(game.i18n.localize("LETHALFANTASY.Notifications.rollTypeNotFound") + String(rollType))
        break
    }

    // In all cases
    console.log(rollTarget)
    await this.document.system.roll(rollType, rollTarget)
  }
  // #endregion
}