#!/system/bin/sh
# BuildChain — main CLI tool
# Usage: buildchain <command> [args]

CONFIG_DIR="/data/adb/buildchain"
MODDIR=$(cat "$CONFIG_DIR/moddir" 2>/dev/null)
TOOLS="$MODDIR/tools"
VERSION="1.0.0"

usage() {
  echo "BuildChain v$VERSION — On-device Android build toolchain"
  echo ""
  echo "Usage: buildchain <command>"
  echo ""
  echo "Commands:"
  echo "  status      Show installed toolchain components"
  echo "  setup       Install Java, Python, Kotlin, Gradle via Termux"
  echo "  env         Print current build environment"
  echo "  paths       Show all tool paths"
  echo "  test        Test all build tools"
  echo "  version     Show version info"
  echo ""
  echo "Build helpers:"
  echo "  bc-build    Compile an Android project"
  echo "  bc-sign     Sign an APK with debug or release key"
  echo ""
  echo "WebUI: http://localhost:8089"
}

cmd_status() {
  echo "=== BuildChain Status ==="
  echo ""

  echo "[Build Tools — API 35]"
  for tool in aapt aapt2 aidl dexdump zipalign split-select; do
    local path="$TOOLS/build-tools/$tool"
    if [ -f "$path" ]; then
      echo "  [OK] $tool"
    else
      echo "  [--] $tool (missing)"
    fi
  done

  echo ""
  echo "[Platform Tools]"
  for tool in adb fastboot sqlite3 e2fsdroid etc1tool mke2fs make_f2fs sload_f2fs; do
    local path="$TOOLS/platform-tools/$tool"
    if [ -f "$path" ]; then
      echo "  [OK] $tool"
    else
      echo "  [--] $tool (missing)"
    fi
  done

  echo ""
  echo "[BusyBox]"
  if [ -f "$TOOLS/busybox" ]; then
    local applets=$("$TOOLS/busybox" --list 2>/dev/null | wc -l)
    echo "  [OK] busybox ($applets applets)"
  else
    echo "  [--] busybox (missing)"
  fi

  echo ""
  echo "[Termux Packages]"
  local tbin="/data/data/com.termux/files/usr/bin"
  for pkg in java javac python3 kotlin kotlinc gradle git cmake make gcc g++ clang; do
    if [ -f "$tbin/$pkg" ]; then
      echo "  [OK] $pkg"
    else
      echo "  [--] $pkg (run: buildchain setup)"
    fi
  done

  echo ""
  echo "[Android Environment]"
  echo "  Device:  $(getprop ro.product.model)"
  echo "  Android: $(getprop ro.build.version.release) (API $(getprop ro.build.version.sdk))"
  echo "  Arch:    $(uname -m)"
  echo "  Kernel:  $(uname -r)"
}

cmd_env() {
  [ -f "$CONFIG_DIR/env.sh" ] && cat "$CONFIG_DIR/env.sh" || echo "Environment not configured. Run: buildchain setup"
}

cmd_paths() {
  echo "=== Tool Paths ==="
  echo "Build tools:    $TOOLS/build-tools/"
  echo "Platform tools: $TOOLS/platform-tools/"
  echo "BusyBox:        $TOOLS/busybox"
  echo "Config:         $CONFIG_DIR/"
  echo "Module:         $MODDIR"
  echo ""
  echo "=== Resolved Binaries ==="
  for tool in aapt2 aidl zipalign java javac python3 kotlinc gradle git make cmake clang busybox; do
    local p=$(which "$tool" 2>/dev/null)
    [ -n "$p" ] && echo "  $tool -> $p" || echo "  $tool -> (not found)"
  done
}

cmd_test() {
  echo "=== Testing Build Tools ==="
  echo ""

  echo "aapt2:"
  "$TOOLS/build-tools/aapt2" version 2>&1 && echo "  PASS" || echo "  FAIL"
  echo ""

  echo "aidl:"
  "$TOOLS/build-tools/aidl" --version 2>&1 && echo "  PASS" || echo "  FAIL"
  echo ""

  echo "zipalign:"
  "$TOOLS/build-tools/zipalign" 2>&1 | head -1 && echo "  PASS" || echo "  FAIL"
  echo ""

  echo "dexdump:"
  "$TOOLS/build-tools/dexdump" 2>&1 | head -1 && echo "  PASS" || echo "  FAIL"
  echo ""

  echo "busybox:"
  "$TOOLS/busybox" --help 2>&1 | head -1 && echo "  PASS" || echo "  FAIL"
  echo ""

  # Test Termux tools if available
  local tbin="/data/data/com.termux/files/usr/bin"
  if [ -f "$tbin/java" ]; then
    echo "java:"
    "$tbin/java" -version 2>&1 | head -1
    echo ""
  fi
  if [ -f "$tbin/python3" ]; then
    echo "python:"
    "$tbin/python3" --version 2>&1
    echo ""
  fi
  if [ -f "$tbin/kotlinc" ]; then
    echo "kotlin:"
    "$tbin/kotlinc" -version 2>&1 | head -1
    echo ""
  fi
  if [ -f "$tbin/gradle" ]; then
    echo "gradle:"
    "$tbin/gradle" --version 2>&1 | grep "Gradle " | head -1
    echo ""
  fi
}

cmd_version() {
  echo "BuildChain v$VERSION"
  echo "Build tools: API 35 (35.0.2)"
  echo "Target: $(getprop ro.product.model) / Android $(getprop ro.build.version.release)"
}

case "$1" in
  status)  cmd_status ;;
  setup)   sh "$MODDIR/scripts/buildchain-setup" ;;
  env)     cmd_env ;;
  paths)   cmd_paths ;;
  test)    cmd_test ;;
  version) cmd_version ;;
  *)       usage ;;
esac