// Import Modules
import DG from "./config/index.js";
import DeltaGreenActor from "./actor/actor.js";
import DGAgentSheet from "./sheets/agent-sheet.js";
import DeltaGreenItem from "./item/item.js";
import DGItemSheet from "./sheets/base-item-sheet.js";
import {
  DGRoll,
  DGPercentileRoll,
  DGLethalityRoll,
  DGDamageRoll,
  DGSanityDamageRoll,
} from "./roll/roll.js";
import registerSystemSettings from "./settings.js";
import preloadHandlebarsTemplates from "./templates.js";
import registerHandlebarsHelpers from "./utils/register-helpers.js";
import ParseDeltaGreenStatBlock from "./macros/stat-parser-macro.js";
import {
  createDeltaGreenMacro,
  rollItemMacro,
  rollItemSkillCheckMacro,
  rollSkillMacro,
  rollSkillTestAndDamageForOwnedItem,
} from "./macros/macro-functions.js";
import { handleInlineActions } from "./chat/inline.js";
import runWorldMigration from "./utils/world-migration.js";
import DGNPCSheet from "./sheets/npc-sheet.js";
import DGUnnaturalSheet from "./sheets/unnatural-sheet.js";
import DGVehicleSheet from "./sheets/vehicle-sheet.js";
import AgentData from "./data/actor/agent.js";
import UnnaturalData from "./data/actor/unnatural.js";
import NPCData from "./data/actor/npc.js";
import VehicleData from "./data/actor/vehicle.js";
import WeaponItemData from "./data/item/weapon.js";
import ArmorItemData from "./data/item/armor.js";
import MotivationItemData from "./data/item/motivation.js";
import BondItemData from "./data/item/bond.js";
import GearItemData from "./data/item/gear.js";
import TomeItemData from "./data/item/tome.js";
import RitualItemData from "./data/item/ritual.js";
import ProfessionItemData from "./data/item/profession.js";
import DGActiveEffect from "./active-effect/documents/dg-active-effect.js";
import DGActiveEffectConfig from "./applications/dg-active-effect-config.js";
import DGActiveEffectTypeDataModel from "./active-effect/data/dg-active-effect-data.js";
import { syncExhaustionEffect } from "./active-effect/runtime/exhaustion-effect.js";
import {
  pruneAllAgentsExpiredStimulants,
  pruneExpiredStimulantEffects,
} from "./active-effect/runtime/stimulant-effect.js";

const { Actors, Items } = foundry.documents.collections;
const { DocumentSheetConfig } = foundry.applications.apps;

Hooks.once("init", async () => {
  Object.assign(CONFIG.Actor.dataModels, {
    // The keys are the types defined in system.json documentTypes.Actor
    agent: AgentData,
    unnatural: UnnaturalData,
    npc: NPCData,
    vehicle: VehicleData,
  });

  Object.assign(CONFIG.Item.dataModels, {
    weapon: WeaponItemData,
    armor: ArmorItemData,
    motivation: MotivationItemData,
    bond: BondItemData,
    gear: GearItemData,
    tome: TomeItemData,
    ritual: RitualItemData,
    profession: ProfessionItemData,
  });

  CONFIG.ActiveEffect.documentClass = DGActiveEffect;
  CONFIG.ActiveEffect.dataModels.base = DGActiveEffectTypeDataModel;

  DocumentSheetConfig.registerSheet(
    DGActiveEffect,
    DG.ID,
    DGActiveEffectConfig,
    {
      makeDefault: true,
      label: "DG.ActiveEffects.SheetLabel",
    },
  );

  game.deltagreen = {
    DeltaGreenActor,
    DeltaGreenItem,
    DGActiveEffect,
    rollItemMacro,
    rollItemSkillCheckMacro,
    rollSkillMacro,
    ParseDeltaGreenStatBlock,
    rollSkillTestAndDamageForOwnedItem,
  };

  /**
   * Set an initiative formula for the system
   * @type {String}
   */
  CONFIG.Combat.initiative = {
    formula: "@statistics.dex.value",
    decimals: 0,
  };

  // Register custom dice rolls
  [
    DGRoll,
    DGPercentileRoll,
    DGLethalityRoll,
    DGDamageRoll,
    DGSanityDamageRoll,
  ].forEach((cls) => CONFIG.Dice.rolls.push(cls));

  // Register System Settings
  registerSystemSettings();

  // Define custom Entity classes
  CONFIG.Actor.documentClass = DeltaGreenActor;
  CONFIG.Item.documentClass = DeltaGreenItem;

  // Unregister core sheets.
  Actors.unregisterSheet("core", foundry.appv1.sheets.ActorSheet);
  Items.unregisterSheet("core", foundry.appv1.sheets.ItemSheet);

  // Register all actor sheets.
  const sheetClassMap = {
    agent: DGAgentSheet,
    npc: DGNPCSheet,
    unnatural: DGUnnaturalSheet,
    vehicle: DGVehicleSheet,
  };
  Object.entries(sheetClassMap).forEach(([actorType, SheetClass]) => {
    Actors.registerSheet(DG.ID, SheetClass, {
      makeDefault: true,
      themes: null,
      label: `DG.Sheet.class.${actorType}`,
      types: [actorType],
    });
  });

  // Register item sheet.
  Items.registerSheet(DG.ID, DGItemSheet, {
    makeDefault: true,
    label: "DG.Sheet.class.item",
    themes: null,
  });

  // Preload Handlebars Templates
  preloadHandlebarsTemplates();

  // Add Handlebars helpers
  registerHandlebarsHelpers();
});

/**
 * @param {ActiveEffect} effect
 * @returns {Actor|undefined}
 */
function getAgentFromEffect(effect) {
  const { parent } = effect;
  if (parent?.documentName === "Actor" && parent.type === "agent") {
    return parent;
  }
  if (parent?.documentName === "Item") {
    const { actor } = parent;
    if (actor?.type === "agent") return actor;
  }
  return undefined;
}

/**
 * @param {ActiveEffect} effect
 * @returns {Promise<void>}
 */
async function onAgentActiveEffectChange(effect) {
  const actor = getAgentFromEffect(effect);
  if (!actor) return;
  actor.reset();
  if (game.user.isActiveGM) await pruneExpiredStimulantEffects(actor);
  await syncExhaustionEffect(actor);
}

Hooks.on("createActiveEffect", (effect) => {
  onAgentActiveEffectChange(effect);
});

Hooks.on("updateActiveEffect", (effect) => {
  onAgentActiveEffectChange(effect);
});

Hooks.on("deleteActiveEffect", (effect) => {
  onAgentActiveEffectChange(effect);
});

Hooks.on("updateWorldTime", () => {
  if (!game.user.isActiveGM) return;
  pruneAllAgentsExpiredStimulants();
});

Hooks.on("updateItem", (item, changes) => {
  const flat = foundry.utils.flattenObject(changes);
  const transferStateKeys = [
    "system.equipped",
    "system.acuteEpisode",
    "system.crossedOut",
    "system.disorderCured",
  ];
  if (transferStateKeys.some((key) => key in flat)) {
    const { actor } = item;
    if (actor) {
      actor.reset();
      if (actor.sheet?.rendered) actor.sheet.render();
    }
  }

  if (
    item.type === "profession" &&
    "name" in flat &&
    item.actor?.type === "agent"
  ) {
    item.actor.update({ "system.biography.profession": item.name });
  }
});

Hooks.once("ready", async () => {
  await runWorldMigration();

  // Wait to register hotbar drop hook on ready so that modules could register earlier if they want to
  // TODO: Fix eslint issue on next line
  // eslint-disable-next-line consistent-return
  Hooks.on("hotbarDrop", (bar, data, slot) => {
    // note - if we don't limit this logic to just items, we'll break re-ording macros on the bar
    if (data.type === "Item") {
      // this is async!!
      createDeltaGreenMacro(data, slot);
      // this must return false here! This stops the default logic on item drop from occuring,
      // which is a macro to open an item sheet
      return false;
    }
  });
});

Hooks.on("preCreateItem", (item) => {
  if (item.img === "icons/svg/item-bag.svg") {
    if (item.type === "bond") {
      item.updateSource({
        img: "systems/deltagreen/assets/icons/person-black-bg.svg",
      });
    } else if (item.type === "tome") {
      item.updateSource({
        img: "systems/deltagreen/assets/icons/book-cover.svg",
      });
    } else if (item.type === "ritual") {
      item.updateSource({
        img: "systems/deltagreen/assets/icons/bookmarklet.svg",
      });
    } else {
      item.updateSource({
        img: "systems/deltagreen/assets/icons/swap-bag-black-bg.svg",
      });
    }
  }
});

// Hook into the render call for the Actors Directory to add an extra button
Hooks.on("renderActorDirectory", (app, element) => {
  if (!game.user.isGM) return;

  const footer = element?.querySelector?.(".directory-footer");
  if (!footer || footer.querySelector("#statParserButton")) return;

  const button = document.createElement("button");
  button.id = "statParserButton";
  button.type = "button";

  const icon = document.createElement("i");
  icon.classList.add("fas", "fa-file-import");
  button.appendChild(icon);
  button.append("Delta Green Stat Block Parser");

  footer.appendChild(button);
  button.addEventListener("click", () => {
    ParseDeltaGreenStatBlock();
  });
});

// Note - this event is fired on ALL connected clients...
Hooks.on("createActor", async (actor, options, userId) => {
  try {
    // use this to trap on if this hook is firing for the same user that triggered the create
    // can put logic specific to a particular user session below
    if (userId !== game.user.id) return;
    if (actor === null) return;

    if (actor.type === "agent") {
      // throw on an unarmed strike item for convenience
      actor.AddUnarmedAttackItemIfMissing();
    } else if (actor.type === "vehicle") {
      actor.AddBaseVehicleItemsIfMissing();
    }
  } catch (ex) {
    console.log(ex);
  }
});

Hooks.on("renderGamePause", function (_, html, options) {
  if (options.cssClass !== "paused") return;

  try {
    const gamePausedOverrideText = game.i18n.translations.DG.MissionPaused;

    if (typeof gamePausedOverrideText === "undefined") {
      return;
    }

    html.querySelector("figcaption").textContent = gamePausedOverrideText;
    html.querySelector("img").classList.remove("fa-spin"); // I don't like the logo spinning personally
  } catch {
    // noop
  }
});

function addEventListenerToChatMessage(element) {
  element.addEventListener("click", (event) => {
    const btnWithAction = event.target.closest("button[data-action]");
    const message = event.target.closest("li[data-message-id]");

    const { messageId } = message?.dataset || {};
    if (btnWithAction && messageId) {
      handleInlineActions(btnWithAction, messageId);
    }
  });
}

Hooks.on("renderChatLog", async (app, element) => {
  addEventListenerToChatMessage(element);
});

Hooks.on("renderChatMessageHTML", async (message, element, context) => {
  // ignore non chat card notifications
  if (!context.canClose) return;

  if (message.getFlag(DG.ID, "chatCard")) {
    element.classList.add("dg-chat-card-message");
  }

  addEventListenerToChatMessage(element);
});