// main.el — Entry point for native-hello.
//
// Boot sequence:
//   1. Initialize the native widget system.
//   2. Read the manifest.el app{} block for window config.
//   3. Create the window.
//   4. Build the widget tree (App.el: app_build).
//   5. Show the window.
//   6. Start the run loop (never returns).

import "App.el"

// ── Boot ──────────────────────────────────────────────────────────────────────

native_init()

// Determine the manifest path relative to where we are invoked.
// When running from the example directory: manifest.el is at ./manifest.el.
// When invoked from elsewhere: pass EL_MANIFEST env var.
let manifest_env: String = env("EL_MANIFEST")
let manifest_path: String = if str_len(manifest_env) > 0 {
    manifest_env
} else {
    "manifest.el"
}

// Create window from manifest.
let win: Int = window_from_manifest(manifest_path)
let g_window = win

if win < 0 {
    println("Error: failed to create window. Is EL_TARGET_MACOS defined?")
    exit_program(1)
}

// Build the widget tree.
app_build(win)

// Show the window.
window_show(win)

// Hand control to AppKit. Never returns.
native_run_loop()