#!/usr/bin/env bash
# install.sh — Legacy shell entrypoint for the ECC installer.
#
# This wrapper resolves the real repo/package root when invoked through a
# symlinked npm bin, then delegates to the Node-based installer runtime.

# Re-exec under bash if invoked via a POSIX sh (e.g. `sh install.sh`), since
# the rest of this script relies on bash features (`set -o pipefail`, `[[`).
# Probe actual shell capability instead of trusting $BASH_VERSION, which is
# just an environment variable and could be inherited/spoofed under sh.
if ! (eval '[[ 1 == 1 ]]' >/dev/null 2>&1); then
    exec bash "$0" "$@"
fi

set -euo pipefail

SCRIPT_PATH="$0"
while [ -L "$SCRIPT_PATH" ]; do
    link_dir="$(cd "$(dirname "$SCRIPT_PATH")" && pwd)"
    SCRIPT_PATH="$(readlink "$SCRIPT_PATH")"
    [[ "$SCRIPT_PATH" != /* ]] && SCRIPT_PATH="$link_dir/$SCRIPT_PATH"
done
SCRIPT_DIR="$(cd "$(dirname "$SCRIPT_PATH")" && pwd)"

# Auto-install Node dependencies when running from a git clone.
# SECURITY: --ignore-scripts blocks preinstall/postinstall RCE from a
# compromised dependency. ECC deps are pure JS (no native build step).
if [ ! -d "$SCRIPT_DIR/node_modules" ]; then
    echo "[ECC] Installing dependencies..."
    (cd "$SCRIPT_DIR" && npm install --ignore-scripts --no-audit --no-fund --loglevel=error)
fi

# On MSYS2/Git Bash, convert the POSIX path to a Windows path so Node.js
# (a native Windows binary) receives a valid path instead of a doubled one
# like G:\g\projects\... that results from Git Bash's auto path conversion.
if command -v cygpath >/dev/null 2>&1; then
    NODE_SCRIPT="$(cygpath -w "$SCRIPT_DIR/scripts/install-apply.js")"
else
    NODE_SCRIPT="$SCRIPT_DIR/scripts/install-apply.js"
fi

exec node "$NODE_SCRIPT" "$@"