package app

import (
	"flag"
	"fmt"
	"path/filepath"

	"git.vinchent.xyz/vinchent/go-web/framework"
	"git.vinchent.xyz/vinchent/go-web/framework/utils"
)

type GoWebApp struct {
	container  framework.Container
	baseFolder string
}

const AppVersion = "0.0.1"

func ErrParamsAmount(want int, got int) error {
	return fmt.Errorf("want %d arguments, got %d", want, got)
}

// NewGoWebApp creates a new GoWeb app.
//
// \params[in]: container
// \params[in]: baseFolder
func NewGoWebApp(params ...interface{}) (interface{}, error) {
	if len(params) != 2 {
		return nil, ErrParamsAmount(2, len(params))
	}

	container := params[0].(framework.Container)
	baseFolder := params[1].(string)
	return &GoWebApp{
		container:  container,
		baseFolder: baseFolder,
	}, nil
}

func (goweb *GoWebApp) Version() string {
	return AppVersion
}

func (goweb *GoWebApp) BaseFolder() string {
	if goweb.baseFolder != "" {
		return goweb.baseFolder
	}

	// not defined yet
	var baseFolder string
	flag.StringVar(
		&baseFolder,
		"base_folder",
		utils.GetExecDirectory(),
		"base_folder of the app. Use the current path as default value",
	)

	return baseFolder
}

func (goweb *GoWebApp) ConfigFolder() string {
	return filepath.Join(goweb.BaseFolder(), "config")
}

func (goweb *GoWebApp) StorageFolder() string {
	return filepath.Join(goweb.BaseFolder(), "storage")
}

func (goweb *GoWebApp) LogFolder() string {
	// storage/log
	return filepath.Join(goweb.StorageFolder(), "log")
}

func (goweb *GoWebApp) ProvidersFolder() string {
	return filepath.Join(goweb.BaseFolder(), "providers")
}

func (goweb *GoWebApp) WebFolder() string {
	return filepath.Join(goweb.BaseFolder(), "web")
}

func (goweb *GoWebApp) MiddlewaresFolder() string {
	// http/middlewares
	return filepath.Join(goweb.WebFolder(), "middlewares")
}

func (goweb *GoWebApp) ConsoleFolder() string {
	return filepath.Join(goweb.BaseFolder(), "console")
}

func (goweb *GoWebApp) CommandsFolder() string {
	// console/commands
	return filepath.Join(goweb.ConsoleFolder(), "commands")
}

func (goweb *GoWebApp) RuntimeFolder() string {
	return filepath.Join(goweb.StorageFolder(), "runtime")
}

func (goweb *GoWebApp) TestsFolder() string {
	return filepath.Join(goweb.BaseFolder(), "tests")
}