#!/usr/bin/env bash
# One-shot on a Linux host: cross-build Windows x86_64 release (MinGW).
# Output: dist/windows-x86_64/  — copy that folder to a Windows machine.
set -euo pipefail

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

if [[ -z "$DIR" ]]; then
  if [[ -f CMakeLists.txt && -d src ]]; then
    DIR="$(pwd)"
  else
    DIR="CST-agent"
  fi
fi

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

need() { command -v "$1" >/dev/null || { echo "missing $1 (install mingw-w64 gcc cmake git)" >&2; exit 1; }; }
need git; need cmake; need x86_64-w64-mingw32-gcc

echo "==> third-party (curl Schannel + PDCurses + busybox-w32)"
chmod +x scripts/*.sh 2>/dev/null || true
./scripts/build_third_party_mingw.sh all

echo "==> cmake Windows TUI"
cmake -B build-win-tui \
  -DCMAKE_TOOLCHAIN_FILE=cmake/mingw-w64-x86_64.cmake \
  -DCST_BUILD_TUI=ON \
  -DCMAKE_PREFIX_PATH="$PWD/third_party/prefix-mingw" \
  -DPDCurses_ROOT="$PWD/third_party/prefix-mingw"
cmake --build build-win-tui -j"$(nproc 2>/dev/null || echo 4)"

echo "==> package"
./scripts/package_windows.sh

echo
echo "OK: dist/windows-x86_64/"
echo "Copy that folder to Windows, then:"
echo "  set OPENAI_API_KEY=sk-..."
echo "  set OPENAI_BASE_URL=https://api.openai.com/v1"
echo "  set OPENAI_MODEL=gpt-4.1-mini"
echo "  cst-agent.exe --workspace ."
echo "See docs/env_openai.md and docs/README-windows.md"