#!/usr/bin/env bash
set -euo pipefail

repo_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
cd -- "$repo_dir"

if ! command -v node >/dev/null 2>&1; then
    printf '%s\n' 'Error: Node.js >=18 is required. Install Node.js and try again.' >&2
    exit 1
fi

if ! node -e 'process.exit(Number(process.versions.node.split(".")[0]) >= 18 ? 0 : 1)'; then
    printf '%s\n' 'Error: Node.js >=18 is required. Upgrade Node.js and try again.' >&2
    exit 1
fi

if ! command -v npm >/dev/null 2>&1; then
    printf '%s\n' 'Error: npm is required. Install npm and try again.' >&2
    exit 1
fi

if [[ ! -d node_modules ]] || ! npm ls --depth=0 --omit=optional >/dev/null 2>&1; then
    printf '%s\n' 'Error: Dependencies are missing or invalid. Run:' >&2
    printf '  cd %q && npm ci\n' "$repo_dir" >&2
    exit 1
fi

printf '%s\n' 'Starting Nodecast TV: http://localhost:3000'
exec npm run dev