#!/bin/sh
set -eu
KUJO_BIN=${KUJO_BIN:-kujo}
command -v "$KUJO_BIN" >/dev/null 2>&1 || { echo 'Install Kujo 1.4.0 or newer first.' >&2; exit 1; }
installer_dir=$(mktemp -d)
trap 'rm -rf "$installer_dir"' EXIT HUP INT TERM
cat > "$installer_dir/fetch.kujo" <<'KUJO'
mut target := args()[0]
try {
    mut token := file_lock(target + "/probe.lock", 0)
    file_unlock(token)
} except err { print("Upgrade to Kujo 1.4.0 or newer before installing Kennel."); exit(1) }
mut response := http_request("https://kennel.kujolang.ai/install.kujo", {"method": "GET", "timeout": 30, "max_response_bytes": 1048576, "redirects": "none"})
match response {
    case Result::Ok(result): {
        if result["status"] != 200 || sha256(result["_body_bytes"]) != "2444835c54d971d521906a3f5107c3c23f95c69c3e21c9cf6dbe5311ce7eaf91" { print("Installer download/checksum mismatch; download install.sh again."); exit(1) }
        io_write_bytes(target + "/install.kujo", result["_body_bytes"])
    }
    case Result::Err(message): { print("Installer download failed: " + to_string(message)); exit(1) }
}
KUJO
"$KUJO_BIN" run "$installer_dir/fetch.kujo" --interpreter --isolated-imports -- "$installer_dir"
"$KUJO_BIN" run "$installer_dir/install.kujo" --interpreter --isolated-imports -- "$@"