// Enables CEP debug mode and links dist/ into the Adobe extensions folder.
// Run once per machine: npm run cep:setup

const { execFileSync } = require("child_process");
const fs = require("fs");
const os = require("os");
const path = require("path");

const CSXS_VERSIONS = [9, 10, 11, 12];
const EXTENSION_NAME = "com.aiedit.panel";
const dist = path.resolve(__dirname, "..", "dist");

function enableDebugMode() {
    if (process.platform === "win32") {
        for (const version of CSXS_VERSIONS) {
            execFileSync("reg", [
                "add", `HKCU\\Software\\Adobe\\CSXS.${version}`,
                "/v", "PlayerDebugMode", "/t", "REG_SZ", "/d", "1", "/f"
            ], { stdio: "ignore" });
        }
    } else {
        for (const version of CSXS_VERSIONS) {
            execFileSync("defaults", [
                "write", `com.adobe.CSXS.${version}`, "PlayerDebugMode", "1"
            ], { stdio: "ignore" });
        }
    }
    console.log(`PlayerDebugMode enabled for CSXS ${CSXS_VERSIONS.join(", ")}`);
}

function extensionsFolder() {
    return process.platform === "win32"
        ? path.join(process.env.APPDATA, "Adobe", "CEP", "extensions")
        : path.join(os.homedir(), "Library", "Application Support", "Adobe", "CEP", "extensions");
}

function linkExtension() {
    const root = extensionsFolder();
    fs.mkdirSync(root, { recursive: true });

    const target = path.join(root, EXTENSION_NAME);
    const existing = fs.lstatSync(target, { throwIfNoEntry: false });
    if (existing) {
        if (!existing.isSymbolicLink()) {
            console.error(`${target} exists and is not a link. Remove it manually, then rerun.`);
            process.exit(1);
        }
        fs.unlinkSync(target);
    }

    // Junctions avoid needing administrator rights on Windows.
    fs.symlinkSync(dist, target, process.platform === "win32" ? "junction" : "dir");
    console.log(`Linked ${target} -> ${dist}`);
}

if (!fs.existsSync(dist)) {
    console.error("dist/ not found. Run `npm run build` first.");
    process.exit(1);
}

enableDebugMode();
linkExtension();
console.log("Restart Photoshop, then open Plugins > AI Edit.");