From 951437248eb1ce980f06188c087947775a07182f Mon Sep 17 00:00:00 2001
From: Mariano Cavallo <mariano.cavallo@gmail.com>
Date: Sat, 1 Jul 2023 11:37:56 +0200
Subject: [PATCH] feat: Add macro migration

---
 src/constants.js          |  2 ++
 src/lib/MacroMigration.js | 41 +++++++++++++++++++++++++++++++++++++++
 src/module.mjs            |  6 ++++++
 3 files changed, 49 insertions(+)
 create mode 100644 src/lib/MacroMigration.js

diff --git a/src/constants.js b/src/constants.js
index b1a780c..997fcaf 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -2,6 +2,8 @@ export const MODULE = {
   NAME: 'Random Target',
   ID: 'random-target',
   NAMESPACE: 'randomTarget',
+  MACRO_COMPENDIUM: 'random-target-macros',
+  MACRO_ID: 'oIVhNA8Po9HpYdJc',
 };
 
 export const SETTING_IDS = {
diff --git a/src/lib/MacroMigration.js b/src/lib/MacroMigration.js
new file mode 100644
index 0000000..d7d867d
--- /dev/null
+++ b/src/lib/MacroMigration.js
@@ -0,0 +1,41 @@
+import { MODULE } from '../constants.js';
+
+export class MacroMigration {
+  constructor() {
+    this.compendiumId = `${MODULE.ID}.${MODULE.MACRO_COMPENDIUM}`;
+    this.macroSourceId = `Compendium.${this.compendiumId}.Macro.${MODULE.MACRO_ID}`;
+  }
+
+  _getGameMacros() {
+    return Array.from(game.macros).filter(macro => macro._source?.flags?.core?.sourceId === this.macroSourceId);
+  }
+
+  async _getLatestCompendiumVersionCommand() {
+    const compendiumMacros = await game.packs.get(this.compendiumId).getDocuments();
+    const latestMacro = compendiumMacros.find(macro => macro._id === MODULE.MACRO_ID);
+
+    if (!latestMacro) {
+      return null;
+    }
+
+    return latestMacro.command;
+  }
+
+  async run() {
+    const gameMacros = this._getGameMacros();
+
+    if (gameMacros.length === 0) {
+      return;
+    }
+
+    const latestCommand = await this._getLatestCompendiumVersionCommand();
+
+    if (!latestCommand) {
+      return;
+    }
+
+    gameMacros.forEach(macro => {
+      macro.command = latestCommand;
+    });
+  }
+}
diff --git a/src/module.mjs b/src/module.mjs
index 20852b9..2acac60 100644
--- a/src/module.mjs
+++ b/src/module.mjs
@@ -1,5 +1,6 @@
 import { run } from './apps/RandomTarget.js';
 import { MODULE } from './constants.js';
+import { MacroMigration } from './lib/MacroMigration.js';
 import { registerSettings, saveSetting } from './settings.js';
 
 Hooks.once('init', function () {
@@ -11,3 +12,8 @@ Hooks.once('init', function () {
     settings: initialSettings,
   };
 });
+
+Hooks.once('ready', function () {
+  const migration = new MacroMigration();
+  migration.run();
+});