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

export default class LethalFantasyCharacterSheet extends LethalFantasyActorSheet {
  /** @override */
  static DEFAULT_OPTIONS = {
    classes: ["character"],
    position: {
      width: 972,
      height: 780,
    },
    window: {
      contentClasses: ["character-content"],
    },
    actions: {
      createEquipment: LethalFantasyCharacterSheet.#onCreateEquipment,
      rangedAttackDefense: LethalFantasyCharacterSheet.#onRangedAttackDefense,
      rollInitiative: LethalFantasyCharacterSheet.#onRollInitiative,
      armorHitPointsPlus: LethalFantasyCharacterSheet.#onArmorHitPointsPlus,
      armorHitPointsMinus: LethalFantasyCharacterSheet.#onArmorHitPointsMinus,
      divinityPointsPlus: LethalFantasyCharacterSheet.#onDivinityPointsPlus,
      divinityPointsMinus: LethalFantasyCharacterSheet.#onDivinityPointsMinus,
      aetherPointsPlus: LethalFantasyCharacterSheet.#onAetherPointsPlus,
      aetherPointsMinus: LethalFantasyCharacterSheet.#onAetherPointsMinus,
    },
  }

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

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

  /**
   * Prepare an array of form header tabs.
   * @returns {Record<string, Partial<ApplicationTab>>}
   */
  #getTabs() {
    let tabs = {
      skills: { id: "skills", group: "sheet", icon: "fa-solid fa-shapes", label: "LETHALFANTASY.Label.skills" },
      combat: { id: "combat", group: "sheet", icon: "fa-solid fa-swords", label: "LETHALFANTASY.Label.combat" },
      equipment: { id: "equipment", group: "sheet", icon: "fa-solid fa-backpack", label: "LETHALFANTASY.Label.equipment" },
      biography: { id: "biography", group: "sheet", icon: "fa-solid fa-book", label: "LETHALFANTASY.Label.biography" },
    }
    if (this.actor.system.biodata.magicUser) {
      tabs.spells = { id: "spells", group: "sheet", icon: "fa-sharp-duotone fa-solid fa-wand-magic-sparkles", label: "LETHALFANTASY.Label.spells" }
    }
    if (this.actor.system.biodata.clericUser) {
      tabs.miracles = { id: "miracles", group: "sheet", icon: "fa-sharp-duotone fa-solid fa-hands-praying", label: "LETHALFANTASY.Label.miracles" }
    }
    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 "skills":
        context.tab = context.tabs.skills
        context.skills = doc.itemTypes.skill
        context.gifts = doc.itemTypes.gift
        context.vulnerabilities = doc.itemTypes.vulnerability
        break
      case "spells":
        context.tab = context.tabs.spells
        context.spells = doc.itemTypes.spell
        context.hasSpells = context.spells.length > 0
        break
      case "miracles":
        context.tab = context.tabs.miracles
        context.miracles = doc.itemTypes.miracle
        context.hasMiracles = context.miracles.length > 0
        break
      case "combat":
        context.tab = context.tabs.combat
        context.weapons = doc.itemTypes.weapon
        context.armors = doc.itemTypes.armor
        context.shields = doc.itemTypes.shield
        break
      case "equipment":
        context.tab = context.tabs.equipment
        context.equipments = doc.itemTypes.equipment
        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()
  }

  static #onArmorHitPointsPlus(event, target) {
    let armorHP = this.actor.system.combat.armorHitPoints
    armorHP += 1
    this.actor.update({ "system.combat.armorHitPoints": armorHP })
  }

  static #onArmorHitPointsMinus(event, target) {
    let armorHP = this.actor.system.combat.armorHitPoints
    armorHP -= 1
    this.actor.update({ "system.combat.armorHitPoints": Math.max(armorHP, 0) })
  }

  static #onDivinityPointsPlus(event, target) {
    let points = this.actor.system.divinityPoints.value
    points += 1
    points = Math.min(points, this.actor.system.divinityPoints.max)
    this.actor.update({ "system.divinityPoints.value": points })
  }

  static #onDivinityPointsMinus(event, target) {
    let points = this.actor.system.divinityPoints.value
    points -= 1
    points = Math.max(points, 0)
    this.actor.update({ "system.divinityPoints.value": points })
  }

  static #onAetherPointsPlus(event, target) {
    let points = this.actor.system.aetherPoints.value
    points += 1
    points = Math.min(points, this.actor.system.aetherPoints.max)
    this.actor.update({ "system.aetherPoints.value": points })
  }

  static #onAetherPointsMinus(event, target) {
    let points = this.actor.system.aetherPoints.value
    points -= 1
    points = Math.max(points, 0)
    this.actor.update({ "system.aetherPoints.value": points })
  }

  static #onCreateEquipment(event, target) {
  }

  _onRender(context, options) {
    // Inputs with class `item-quantity`
    const woundDescription = this.element.querySelectorAll('.wound-data')
    for (const input of woundDescription) {
      input.addEventListener("change", (e) => {
        e.preventDefault();
        e.stopImmediatePropagation();
        const newValue = e.currentTarget.value
        const index = e.currentTarget.dataset.index
        const fieldName = e.currentTarget.dataset.name
        let tab = foundry.utils.duplicate(this.actor.system.hp.wounds)
        tab[index][fieldName] = newValue
        console.log(tab, index, fieldName, newValue)
        this.actor.update({ "system.hp.wounds": tab });
      })
    }
    super._onRender();
  }

  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 "granted":
        rollTarget = {
          name: rollKey,
          formula: foundry.utils.duplicate(this.document.system.granted[rollKey]),
          rollKey: rollKey
        }
        if ( rollTarget.formula === "" || rollTarget.formula === undefined) {
          rollTarget.formula = 0
        }
        break;
      case "challenge":
        rollTarget = foundry.utils.duplicate(this.document.system.challenges[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 "spell":
        rollTarget = this.actor.items.find((i) => i.type === "spell" && i.id === rollKey)
        rollTarget.rollKey = rollKey
        break
      case "miracle":
        rollTarget = this.actor.items.find((i) => i.type === "miracle" && i.id === rollKey)
        rollTarget.rollKey = rollKey
        break
      case "skill":
        rollTarget = this.actor.items.find((i) => i.type === "skill" && i.id === rollKey)
        rollTarget.rollKey = rollKey
        if (rollTarget.system.category === "weapon") {
          ui.notifications.warn(game.i18n.localize("LETHALFANTASY.Notifications.rollFromWeapon"))
          return
        }
        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)
        if ( rollType === "weapon-damage-small" || rollType === "weapon-damage-medium") {
          rollTarget.grantedDice = this.actor.system.granted.damageDice
        }
        if ( rollType === "weapon-attack") {
          rollTarget.grantedDice = this.actor.system.granted.attackDice
        }
        if ( rollType === "weapon-defense") {
          rollTarget.grantedDice = this.actor.system.granted.defenseDice
        }
        break
      default:
        ui.notifications.error(game.i18n.localize("LETHALFANTASY.Notifications.rollTypeNotFound") + String(rollType))
        break
    }

    // In all cases
    rollTarget.magicUser = this.actor.system.biodata.magicUser
    rollTarget.actorModifiers = foundry.utils.duplicate(this.actor.system.modifiers)
    console.log("ROLLTARGET", rollTarget)
    await this.document.system.roll(rollType, rollTarget)
  }
  // #endregion
}