#!/bin/bash
# Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
# SPDX-License-Identifier: MIT

# CK Clean - Clean build artifacts in Docker container

set -e
set -o pipefail

# Find script directory and load common utilities
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${SCRIPT_DIR}/common.sh"

# Initialize configuration
PROJECT_ROOT=$(get_project_root "${SCRIPT_DIR}")
CONTAINER_NAME=$(get_container_name "${PROJECT_ROOT}")

# Help message
show_help() {
    cat << EOF
CK Clean - Clean build artifacts in Docker container

Usage: ck-clean [options]

Options:
  -h, --help              Show this help message
  --name <name>           Specify container name
  --all                   Remove entire build directory
  -f, --force             Force without confirmation

Environment:
  CK_CONTAINER_NAME - Override default container name

Examples:
  ck-clean                    # Clean build artifacts (ninja clean)
  ck-clean --all              # Remove entire build directory
  ck-clean --force --all      # Remove build directory without confirmation

EOF
}

# Parse arguments
remove_all=false
force=false

while [[ $# -gt 0 ]]; do
    case $1 in
        -h|--help)
            show_help
            exit 0
            ;;
        --name)
            CONTAINER_NAME="$2"
            shift 2
            ;;
        --all)
            remove_all=true
            shift
            ;;
        -f|--force)
            force=true
            shift
            ;;
        *)
            echo "Unknown option: $1"
            show_help
            exit 1
            ;;
    esac
done

# Check if container is running
if ! container_is_running "${CONTAINER_NAME}"; then
    echo "Container '${CONTAINER_NAME}' not running"
    echo "Start with: ck-start"
    exit 1
fi

# Check if build directory exists
if ! docker exec "${CONTAINER_NAME}" test -d /workspace/build 2>/dev/null; then
    echo "Build directory does not exist"
    exit 0
fi

if [ "$remove_all" = true ]; then
    # Remove entire build directory
    if [ "$force" = false ]; then
        read -p "Remove entire build directory? (y/N) " -n 1 -r
        echo ""
        if [[ ! $REPLY =~ ^[Yy]$ ]]; then
            echo "Cancelled"
            exit 0
        fi
    fi

    echo "Removing build directory..."
    docker exec "${CONTAINER_NAME}" bash -c "rm -rf /workspace/build"
    echo "Build directory removed ✓"
else
    # Clean with ninja
    if ! docker exec "${CONTAINER_NAME}" test -f /workspace/build/build.ninja 2>/dev/null; then
        echo "Build not configured (build.ninja not found)"
        echo "Use --all to remove build directory"
        exit 1
    fi

    echo "Cleaning build artifacts..."
    docker exec "${CONTAINER_NAME}" bash -c "
        cd /workspace/build || exit 1
        ninja clean
    "
    echo "Build artifacts cleaned ✓"
fi