package command

import (
	"bbash/command/cat"
	"bbash/command/cd"
	"bbash/command/cp"
	"bbash/command/echo"
	"bbash/command/head"
	"bbash/command/help"
	"bbash/command/ls"
	"bbash/command/man"
	"bbash/command/mv"
	"bbash/command/pwd"
	"bbash/command/rm"
	"bbash/command/touch"
	"bbash/environment"
	"bbash/input_parser"
	"fmt"
	"os"
	"strings"
)
var path_command []string

func Init(env *environment.Env) {
	init_path(env)

}

func Run_command(in input_parser.Input, env *environment.Env) {
	switch in.Instruction {
		case "pwd": pwd.Pwd(in, env)
		case "echo": echo.Echo(in, env)
		case "ls": ls.Ls(in, env)
		case "cd": cd.Cd(in, env)
		case "man": man.Man(in, env)
		case "cat": cat.Cat(in, env)
		case "head": head.Head(in, env)
		case "touch": touch.Touch(in, env)
		case "rm": rm.Rm(in, env)
		case "cp": cp.Cp(in, env)
		case "mv": mv.Mv(in,env)
		case "help": help.Help(in,env)
		default: 
			if !run_by_path(in, env) {
				fmt.Println(fmt.Sprintf("No such command! (%s)", in.Instruction))
			}
	}
}
// Returns if anything was run or not
func run_by_path(in input_parser.Input, env *environment.Env) bool {
	fmt.Print(env.Env["PATH"])
	return false
}
	
func init_path(env *environment.Env) {
	path := strings.Split(env.Env["PATH"], ":")
	for _, a_path := range path {
		recursive_executable_finder(a_path)

	}

}
func recursive_executable_finder(path string) {
	dir, err := os.ReadDir(path)
	if err != nil {
		return
	}
	for _, f := range dir {
		if f.IsDir() {
			recursive_executable_finder(f.Name())
			continue
		}
		if !is_executable(f.Name()) {
			println("not exec")
			continue
		}
		println(f.Name())
		path_command = append(path_command, f.Name())

	}
}
func is_executable( name string) bool {
	return true
	stat, _ := os.Stat(name)
	mode := stat.Mode()
	return mode&(1<<0) != 0 || // Others' execute bit
		mode&(1<<3) != 0 || // Group's execute bit
		mode.Perm()&(1<<6) != 0 // Owner's execute bit
}