#!/data/data/com.termux/files/usr/bin/bash
# One-shot: clone + build CST-Agent on Android Termux.
set -euo pipefail

REPO_URL="${CST_AGENT_REPO:-https://git.whcself.xyz/WHC/CST-agent.git}"
DIR="${1:-CST-agent}"

echo "==> Termux packages"
pkg install -y git clang make cmake libcurl ncurses-ui-libs 2>/dev/null \
  || pkg install -y git clang make cmake curl ncurses

if [[ ! -f "$DIR/Makefile" ]]; then
  echo "==> git clone $REPO_URL -> $DIR"
  git clone "$REPO_URL" "$DIR"
fi
cd "$DIR"

echo "==> cmake build (TUI)"
cmake -B build -DCMAKE_C_COMPILER=clang -DCST_BUILD_TUI=ON
cmake --build build -j"$(nproc 2>/dev/null || echo 4)"
# Also keep Makefile binary path convenience
cp -f build/cst-agent ./cst-agent 2>/dev/null || true

echo
echo "OK: ./cst-agent  (or ./build/cst-agent)"
echo "OpenAI-compatible:"
echo "  export OPENAI_API_KEY=sk-..."
echo "  export OPENAI_BASE_URL=https://api.openai.com/v1"
echo "  export OPENAI_MODEL=gpt-4.1-mini"
echo "  ./cst-agent --workspace \$HOME"
echo "Docs: docs/env_openai.md"