// SPDX-FileCopyrightText: 2022 Johannes Loher
//
// SPDX-License-Identifier: MIT

import {
    getActorUpdateDataGetter,
    getCompendiumMigrator,
    getItemUpdateDataGetter,
    getSceneUpdateDataGetter,
    migrateActors,
    migrateCompendiums,
    migrateItems,
    migrateScenes,
} from "./migrationHelpers";

/** @type {import("./migration").Migration["migrate"]} */
async function migrate() {
    await migrateItems(getItemUpdateData);
    await migrateActors(getActorUpdateData);
    await migrateScenes(getSceneUpdateData);
    await migrateCompendiums(migrateCompendium);
}

/** @type {import("./migrationHelpers").EffectUpdateDataGetter} */
function getEffectUpdateData(effectData) {
    const data = foundry.utils.deepClone(effectData);
    let hasUpdates = false;
    if ("changes" in data) {
        for (const change of data.changes) {
            const newValue = change.value.replaceAll(/@data\./g, "@system.");
            if (newValue !== change.value) {
                hasUpdates = true;
                change.value = newValue;
            }
        }
    }

    /** @type {string | undefined} */
    const condition = data.flags?.ds4?.itemEffectConfig?.condition;
    if (condition !== undefined) {
        const newCondition = condition.replaceAll(/(@actor|@item|@effect)\.data/g, "$1.system");
        if (newCondition !== condition) {
            hasUpdates = true;
            data.flags.ds4.itemEffectConfig.condition = newCondition;
        }
    }
    if (hasUpdates) {
        return data;
    }
}

const getItemUpdateData = getItemUpdateDataGetter(getEffectUpdateData);
const getActorUpdateData = getActorUpdateDataGetter(getItemUpdateData, getEffectUpdateData);
const getSceneUpdateData = getSceneUpdateDataGetter(getActorUpdateData);
const migrateCompendium = getCompendiumMigrator({ getItemUpdateData, getActorUpdateData, getSceneUpdateData });

/** @type {import("./migration").Migration} */
export const migration = {
    migrate,
    migrateCompendium,
};