package main

import (
	"errors"
	"net"
	"os"
	"path/filepath"
)

func removeMap(conn net.Conn, instance string, objmap map[string]interface{}) error {
	program, has := objmap["package"]
	if !has {
		return errors.New("a package is required")
	}

	keep_data, has := objmap["keep_data"]
	if !has {
		keep_data = false
	}

	return remove(conn, instance, program.(string), keep_data.(bool))
}

func remove(conn net.Conn, instance string, program string, keep_data bool) error {
	package_path, err := filepath.Abs(filepath.Join(instance, "apps", program))
	if err != nil {
		return err
	}
	if exists, err := exists(package_path); !exists || err != nil {
		return errors.New("package not found")
	}
	err = os.RemoveAll(package_path)
	if err != nil {
		return err
	}
	var_path, err := filepath.Abs(filepath.Join(instance, "var", program))
	if exists, err := exists(var_path); exists && err == nil && !keep_data {
		err = os.RemoveAll(var_path)
		if err != nil {
			return err
		}
	}

	return nil
}