#!/usr/bin/env bash
# projdump.sh - дамп структуры и кода в один чистый .txt файл для ИИ

set -euo pipefail

usage() {
    cat >&2 <<EOF
Использование: $0 <директория>

Создаёт один файл:
  <basename>-dump.txt — дерево проекта + содержимое файлов (без MD-разметки)

Параметры:
  -h, --help    Показать эту справку
EOF
}

if [[ $# -eq 0 ]] || [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]; then
    usage
    exit 0
fi

TARGET_DIR="$1"

if [[ ! -d "$TARGET_DIR" ]]; then
    echo "Ошибка: директория '$TARGET_DIR' не существует." >&2
    exit 1
fi

TARGET_DIR="$(cd "$TARGET_DIR" && pwd)"
BASENAME=$(basename "$TARGET_DIR")

if ! command -v tree >/dev/null 2>&1; then
    echo "Ошибка: требуется утилита 'tree'." >&2
    exit 1
fi

# Список игнорирования (оставлен без изменений)
IGNORE_LIST=(
    "third_party" "3rd_party" "3rdparty" ".git" ".svn" ".hg" "node_modules" 
    "__pycache__" "*.pyc" ".venv" "venv" "env" ".env" ".idea" ".vscode" ".vs" 
    ".DS_Store" "Thumbs.db" "dist" "build" "out" "target" ".pytest_cache" 
    ".mypy_cache" ".next" ".nuxt" ".output" ".svelte-kit" "coverage" ".cache" 
    ".parcel-cache" ".eslintcache" ".yarn" "yarn-error.log" "package-lock.json" 
    "yarn.lock" "pnpm-lock.yaml" "Cargo.lock" "go.sum" ".gradle" "gradle" 
    ".mvn" "mvnw" "mvnw.cmd" "*.swp" "*.swo" ".stack-work" "_build" "deps" 
    ".cargo" ".rustup" ".clangd" ".ccls-cache" "CMakeFiles" "CMakeCache.txt" 
    "CTestTestfile.cmake" "cmake_install.cmake" "*.dSYM" "*.ilk" "*.pdb" 
    "*.obj" "*.o" "*.so" "*.dylib" "*.dll" "*.exe" "*.bin" "*.hex" "*.elf" 
    "tags" "TAGS" "GPATH" "GTAGS" "GRTAGS" "GSYMS" ".github" ".gitlab" 
    ".circleci" ".travis.yml" "Jenkinsfile" "Dockerfile*" "docker-compose*.yml" 
    "*.log" "logs" "tmp" "temp" ".terraform" ".tfstate" ".tfstate.backup" "*.tfvars"
)

# Подготовка аргументов для find
FIND_IGNORE_ARGS=()
for pat in "${IGNORE_LIST[@]}"; do
    if [[ "$pat" == */* ]]; then
        FIND_IGNORE_ARGS+=(-o -path "*/$pat")
    else
        FIND_IGNORE_ARGS+=(-o -name "$pat")
    fi
done

FIND_CMD=(find "$TARGET_DIR" \( -false "${FIND_IGNORE_ARGS[@]}" \) -prune -o -type f -print0)

# Подготовка шаблонов для tree
TREE_IGNORE_PATTERNS=""
for pat in "${IGNORE_LIST[@]}"; do
    base_pat="${pat%%/*}"
    if [[ -z "$TREE_IGNORE_PATTERNS" ]]; then
        TREE_IGNORE_PATTERNS="$base_pat"
    else
        TREE_IGNORE_PATTERNS="$TREE_IGNORE_PATTERNS|$base_pat"
    fi
done

OUTPUT_FILE="${BASENAME}-dump.txt"

{
    echo "==============================================================================="
    echo "PROJECT NAME: $BASENAME"
    echo "GENERATED ON: $(date)"
    echo "==============================================================================="
    echo -e "\n--- PROJECT STRUCTURE ---"
    tree -n -I "$TREE_IGNORE_PATTERNS" "$TARGET_DIR"
    echo -e "\n==============================================================================="
    echo "SOURCE CODE CONTENTS"
    echo "==============================================================================="

    while IFS= read -r -d '' file; do
        # Относительный путь для красоты
        rel_path="${file#$TARGET_DIR/}"
        
        echo -e "\nFILE: $rel_path"
        echo "-------------------------------------------------------------------------------"
        cat "$file"
        echo -e "\n-------------------------------------------------------------------------------"
        echo "END OF FILE: $rel_path"
    done < <("${FIND_CMD[@]}")
} > "$OUTPUT_FILE"

echo "Готово: $OUTPUT_FILE"