#!/bin/bash
# pack_code.sh — 将所有代码源文件打包为单个 txt
# 用法: bash pack_code.sh [输出文件名]
# 默认输出: smartcar2_code.txt

OUT="${1:-smartcar2_code.txt}"
> "$OUT"

# 分隔符
sep() { echo "" >> "$OUT"; echo "============================================================" >> "$OUT"; }

# 逐个追入，带文件路径头
append_file() {
    local f="$1"
    if [ ! -f "$f" ]; then return; fi
    sep
    echo "// FILE: $f" >> "$OUT"
    sep
    cat "$f" >> "$OUT"
}

# ── src/ 源文件 ──
for f in src/*.cpp src/*.hpp; do
    [ -f "$f" ] && append_file "$f"
done

# ── lib/ 头文件 ──
for f in lib/*.h; do
    [ -f "$f" ] && append_file "$f"
done

# ── main/ ──
append_file main/main.cpp
append_file main/CMakeLists.txt

# ── 顶层构建/配置 ──
append_file CMakeLists.txt
append_file cross.cmake
append_file ctl.sh
append_file start.sh
append_file .gitignore

# ── 独立 demo ──
append_file encoder_brake_demo.cpp

# ── 统计 ──
LINES=$(wc -l < "$OUT")
FILES=$(grep -c "// FILE:" "$OUT")
echo ""
echo "=== 打包完成 ==="
echo "  输出: $OUT"
echo "  文件数: $FILES"
echo "  总行数: $LINES"