import Logger from "./utils/Logger";
import M5CharacterSheet from "./module/sheets/M5CharacterSheet";
import preloadTemplates from "./PreloadTemplates";
import { M5Character } from "./module/actors/M5Character";
import { M5ModOperation, M5TimeUnit } from "./module/M5Base";
import { M5ItemSheet } from "./module/sheets/M5ItemSheet";
import { M5Item } from "./module/items/M5Item";
import { loadHelpers } from "./helpers";
import { loadSettings } from "./settings";

Hooks.once("init", async () => {
	Logger.log("M5 | Initialisierung Midgard 5");

	// Load settings into Foundry
	loadSettings();

	// Default Sheet für Items definieren und das Standardsheet deaktivieren
	Items.unregisterSheet("core", ItemSheet);
	Items.registerSheet("midgard5", M5ItemSheet, { makeDefault: true });

	// Default Sheet für Actors definieren und das Standardsheet deaktivieren
	Actors.unregisterSheet("core", ActorSheet);
	Actors.registerSheet("midgard5", M5CharacterSheet, { makeDefault: true });

	CONFIG.Actor.documentClass = M5Character;
	CONFIG.Item.documentClass = M5Item;
	//RegisterSettings();
	await preloadTemplates();

	loadHelpers();
});

Hooks.once("setup", () => {
	Logger.log("Template module is being setup.");
});

Hooks.on("getChatLogEntryContext", function (html, options) {
	options.push(
		{
			name: "LP & AP Schaden",
			icon: '<i class="fas fa-tint"></i>',
			condition: (li) => {
				const damageRolls = li.find(".damage").length;

				// All must be true to show the reroll dialogue
				return (game["user"].character || game["canvas"].tokens.controlled) && damageRolls > 0;
			},
			callback: (li) => applyDamage(li, 2),
		},
		{
			name: "AP Schaden",
			icon: '<i class="fas fa-shield-alt"></i>',
			condition: (li) => {
				const damageRolls = li.find(".damage").length;

				// All must be true to show the reroll dialogue
				return (game["user"].character || game["canvas"].tokens.controlled) && damageRolls > 0;
			},
			callback: (li) => applyDamage(li, 1),
		},
		{
			name: "LP & AP Heilen",
			icon: '<i class="fas fa-heart"></i>',
			condition: (li) => {
				const damageRolls = li.find(".heal").length;

				// All must be true to show the reroll dialogue
				return (game["user"].character || game["canvas"].tokens.controlled) && damageRolls > 0;
			},
			callback: (li) => applyDamage(li, -1),
		},
		{
			name: "AP Heilen",
			icon: '<i class="far fa-heart"></i>',
			condition: (li) => {
				const damageRolls = li.find(".heal").length;

				// All must be true to show the reroll dialogue
				return (game["user"].character || game["canvas"].tokens.controlled) && damageRolls > 0;
			},
			callback: (li) => applyDamage(li, -2),
		}
	);
});

Hooks.on("updateCombat", function (combat: Combat, updateData: { round: number; turn: number }, updateOptions: { advanceTime: number; direction: number }) {
	if (combat.round % 2 === 0 && combat.turn !== null) {
		const tokenId = combat.current.tokenId;
		const actorId = combat.combatant["actorId"];
		let currentToken = game["actors"].tokens[tokenId];
		if (!currentToken) {
			currentToken = game["actors"].get(actorId);
		}
		let activeEffects = currentToken.items.filter((x) => x.type === "effect" && x.system.equipped) || [];
		activeEffects.forEach((effect) => {
			if (effect.system?.duration?.time > 0) {
				if (effect.system.duration.unit === M5TimeUnit.ROUND) {
					effect.system.duration.time -= 1;
				}
			}
			if (effect.system?.duration.time === 0 && effect.system.duration.unit !== M5TimeUnit.LIMITLESS) {
				effect.system.equipped = false;
			}
			for (const key in effect.system.mods) {
				if (effect.system.mods[key].operation === M5ModOperation.SUBTRACT) {
					switch (effect.system.mods[key].id) {
						case "lp":
							currentToken["system"].lp.value -= effect.system.mods[key].value;
							break;
						case "ap":
							currentToken["system"].ap.value -= effect.system.mods[key].value;
							break;
					}
				} else if (effect.system.mods[key].operation === M5ModOperation.ADD) {
					switch (effect.system.mods[key].id) {
						case "lp":
							currentToken["system"].lp.value += limitHeal(effect.system.mods[key].value, currentToken["system"].lp.value, currentToken["system"].lp.max);
							break;
						case "ap":
							currentToken["system"].ap.value += limitHeal(effect.system.mods[key].value, currentToken["system"].ap.value, currentToken["system"].ap.max);
							break;
					}
				}
			}
		});
		currentToken.render();
	}
});

Hooks.on("renderCombatTracker", (combatTracker, html, context) => {
	if (context.combat === null) {
		html.find("h3.encounter-title")[0].innerHTML = game["i18n"].localize("midgard5.no-encounter");
	} else if (Math.ceil(context.round / 2) === 0) {
		html.find("h3.encounter-title")[0].innerHTML = game["i18n"].localize("midgard5.encounter-not-started");
	} else {
		html.find("h3.encounter-title")[0].innerHTML =
			(context.round % 2 == 1 ? game["i18n"].localize("midgard5.phase-movement") : game["i18n"].localize("midgard5.phase-action")) + " " + Math.ceil(context.round / 2);
	}
});

Hooks.once("ready", () => {
	Logger.ok("Template module is now ready.");
});

async function applyDamage(roll, direction) {
	const damageValue = Array.from(roll.find(".apply") as HTMLElement[])
		.map((x) => Math.max(0, Number(x.innerText)))
		.reduce((prev, curr) => prev + curr, 0);
	const controlledTokens = game["canvas"].tokens.controlled;
	const actor = game["user"].character;

	if (controlledTokens) {
		controlledTokens.forEach((controlledToken) => {
			let token = controlledToken.document.delta.syntheticActor;
			switch (direction) {
				case 2:
					token["system"].lp.value -= Math.max(0, damageValue - token["system"].calc.stats.lpProtection.value);
				case 1:
					token["system"].ap.value -= Math.max(0, damageValue - token["system"].calc.stats.apProtection.value);
					break;
				case -1:
					token["system"].lp.value += limitHeal(damageValue, token["system"].lp.value, token["system"].lp.max);
				case -2:
					token["system"].ap.value += limitHeal(damageValue, token["system"].ap.value, token["system"].ap.max);
			}
			token.render();
		});
	} else {
		switch (direction) {
			case 2:
				actor["system"].lp.value -= Math.max(0, damageValue - actor["system"].calc.stats.lpProtection.value);
			case 1:
				actor["system"].ap.value -= Math.max(0, damageValue - actor["system"].calc.stats.apProtection.value);
				break;
			case -1:
				actor["system"].lp.value += limitHeal(damageValue, actor["system"].lp.value, actor["system"].lp.max);
			case -2:
				actor["system"].ap.value += limitHeal(damageValue, actor["system"].ap.value, actor["system"].ap.max);
		}
		actor.render();
	}
}

function limitHeal(heal: number, current: number, max: number): number {
	if (current === max) {
		return 0;
	} else if (heal + current > max) {
		return max - current;
	}
	return heal;
}