#!/usr/bin/env bash
set -euo pipefail
# RadioTEDU Terminal — https://radiotedu.com/tui
if ! command -v node >/dev/null 2>&1 || ! command -v npm >/dev/null 2>&1; then
  printf '%s\n' 'Node.js and npm are required. Install the current LTS release from https://nodejs.org, then run this installer again.'
  exit 1
fi
if ! node -e 'process.exit(Number(process.versions.node.split(".")[0]) >= 18 ? 0 : 1)'; then
  printf '%s\n' 'RadioTEDU requires Node.js 18 or newer. Please install the current LTS release.'
  exit 1
fi
terminal_download="$(mktemp -d)"
trap 'rm -f "$terminal_download/package.tgz"; rmdir "$terminal_download"' EXIT
node --input-type=module - "$terminal_download/package.tgz" <<'NODE'
import {writeFileSync} from 'node:fs';
import {createHash} from 'node:crypto';
const response=await fetch('https://radiotedu.com/tui/latest.json',{cache:'no-store',signal:AbortSignal.timeout(20000)});
if(!response.ok)throw new Error('Cannot retrieve the release manifest');
const release=await response.json(),url=new URL(release.package);
if(url.origin!=='https://radiotedu.com'||!/^\/tui\/radiotedu-[a-zA-Z0-9.-]+\.tgz$/.test(url.pathname)||!/^[a-f0-9]{64}$/.test(release.sha256))throw new Error('Invalid release manifest');
const result=await fetch(url,{signal:AbortSignal.timeout(60000)});
if(!result.ok)throw new Error('Package download failed');
const bytes=Buffer.from(await result.arrayBuffer());
if(createHash('sha256').update(bytes).digest('hex')!==release.sha256)throw new Error('Package checksum mismatch');
writeFileSync(process.argv[2],bytes);
console.log('Installing RadioTEDU Terminal '+release.version+'...');
NODE
terminal_args=(install --global --ignore-scripts "$terminal_download/package.tgz")
terminal_global_root="$(npm root --global)"
if [ -f "$terminal_global_root/radiotedu-tui/package.json" ] || [ -f "$terminal_global_root/radiotedu/package.json" ]; then
  # Migrate only the command aliases shared by the two official RadioTEDU packages.
  terminal_args+=(--force)
  printf '%s\n' 'Updating the existing RadioTEDU aliases. Saved account settings are preserved.'
fi
if ! npm "${terminal_args[@]}"; then
  printf '%s\n' 'Installation failed. Previous application and account settings were not deleted.' 'If npm reports a permissions error, configure a user-owned global npm directory or use a Node.js version manager.'
  exit 1
fi
terminal_prefix="$(npm prefix --global)"
terminal_command="$terminal_prefix/bin/radiotedu"
if [ ! -x "$terminal_command" ]; then
  printf '%s\n' 'The expected launch command was not found. Check npm prefix --global.'
  exit 1
fi
"$terminal_command" --version
printf '%s\n' 'Ready. Type radiotedu to open the player.'
if ! command -v radiotedu >/dev/null 2>&1; then
  printf 'Add %s/bin to your PATH, then open a new terminal.\n' "$terminal_prefix"
fi
if ! command -v mpv >/dev/null 2>&1 && ! command -v ffplay >/dev/null 2>&1; then
  printf '%s\n' 'Audio needs mpv or ffplay.' 'macOS with Homebrew: brew install mpv' 'Ubuntu / Debian: sudo apt install mpv'
fi
printf '%s\n' 'Optional account pairing: radiotedu login'