package parser

import "fmt"

type Context struct {
	Command *Command
	App *App
	Flags map[string]*ArgFlag
	Args []string
}

func (c *Context) GetFlag(name string) (*ArgFlag, error) {
	flag, exists := c.Flags[name]
	if ! exists {
		return nil, fmt.Errorf("Context : ERROR : Flag(%s) not found", name)
	}
	return flag, nil
}

func (c *Context) GetValueInt(name string) (int64, error){
	flag, err := c.GetFlag(name)
	if err != nil {
		return 0, err
	}

	value, err := flag.GetValueInt()
	if err != nil {
		return 0, err
	}

	return value, nil
}

func (c *Context) GetValueBool(name string) (bool, error){
	flag, err := c.GetFlag(name)
	if err != nil {
		return false, err
	}

	value, err := flag.GetValueBool()
	if err != nil {
		return false, err
	}

	return value, nil
}

func (c *Context) GetValueFloat32(name string) (float32, error){
	flag, err := c.GetFlag(name)
	if err != nil {
		return 0, err
	}

	value, err := flag.GetValueFloat32()
	if err != nil {
		return 0.0, err
	}

	return value, nil
}

func (c *Context) GetValueFloat64(name string) (float64, error){
	flag, err := c.GetFlag(name)
	if err != nil {
		return 0.0, err
	}

	value, err := flag.GetValueFloat64()
	if err != nil {
		return 0.0, err
	}

	return value, nil
}

func (c *Context) GetValueString(name string) (string, error){
	flag, err := c.GetFlag(name)
	if err != nil {
		return "", err
	}

	value, err := flag.GetValueString()
	if err != nil {
		return "", err
	}

	return value, nil
}