package resp

import (
	"errors"
	"strings"

	"github.com/gofiber/fiber/v3"
)

type res struct {
	Status int    `json:"status"`
	Msg    string `json:"msg"`
	Data   any    `json:"data"`
	Err    any    `json:"err"`
}

func R200(c fiber.Ctx, data any, msgs ...string) error {
	r := &res{
		Status: 200,
		Msg:    Msg200,
		Data:   data,
	}

	if len(msgs) > 0 && msgs[0] != "" {
		r.Msg = msgs[0]
	}

	return c.JSON(r)
}

func R201(c fiber.Ctx, data any, msgs ...string) error {
	r := &res{
		Status: 201,
		Msg:    Msg201,
		Data:   data,
	}

	if len(msgs) > 0 && msgs[0] != "" {
		r.Msg = msgs[0]
	}

	return c.JSON(r)
}

func R202(c fiber.Ctx, data any, msgs ...string) error {
	r := &res{
		Status: 202,
		Msg:    Msg202,
		Data:   data,
	}

	if len(msgs) > 0 && msgs[0] != "" {
		r.Msg = msgs[0]
	}

	return c.JSON(r)
}

func RC(c fiber.Ctx, status int, args ...any) error {
	return _r(c, &res{Status: status}, args...)
}

func RE(c fiber.Ctx, err error) error {
	var re *Error

	if errors.As(err, &re) {
		return RC(c, re.Status, re.Msg, re.Data, re.Err)
	}

	estr := strings.ToLower(err.Error())
	if strings.Contains(estr, "duplicate") {
		return R400(c, Msg400Duplicate, nil, estr)
	}

	return R500(c, "", nil, err)
}

func _r(c fiber.Ctx, r *res, args ...any) error {
	length := len(args)

	if length == 0 {
		goto END
	}

	if length >= 1 {
		if msg, ok := args[0].(string); ok {
			r.Msg = msg
		}
	}

	if length >= 2 {
		r.Data = args[1]
	}

	if length >= 3 {
		if ee, ok := args[2].(error); ok {
			r.Err = ee.Error()
		} else {
			r.Err = args[2]
		}
	}
END:

	if r.Msg == "" {
		r.Msg = Msg(r.Status)
	}

	// todo: i18n r.Msg
	// r.Msg = t(r.Msg)

	return c.Status(r.Status).JSON(r)
}

// R400
//
//	args[0]: should be msg to display to user(defaulted)
//	args[1]: could be extra data to send with(no default)
//	args[2]: could be error msg to send to with debug mode
func R400(c fiber.Ctx, args ...any) error {
	r := &res{
		Status: 400,
	}

	return _r(c, r, args...)
}

// R401
//
//	args[0]: should be msg to display to user(defaulted)
//	args[1]: could be extra data to send with(no default)
//	args[2]: could be error msg to send to with debug mode
func R401(c fiber.Ctx, args ...any) error {
	r := &res{
		Status: 401,
	}

	return _r(c, r, args...)
}

// R403
//
//	args[0]: should be msg to display to user(defaulted)
//	args[1]: could be extra data to send with(no default)
//	args[2]: could be error msg to send to with debug mode
func R403(c fiber.Ctx, args ...any) error {
	r := &res{
		Status: 403,
	}

	return _r(c, r, args...)
}

func R404(c fiber.Ctx, args ...any) error {
	r := &res{
		Status: 404,
	}

	return _r(c, r, args...)
}

// R500
//
//	args[0]: should be msg to display to user(defaulted)
//	args[1]: could be extra data to send with(no default)
//	args[2]: could be error msg to send to with debug mode
func R500(c fiber.Ctx, args ...any) error {
	r := &res{
		Status: 500,
	}

	return _r(c, r, args...)
}

// R501
//
//	args[0]: should be msg to display to user(defaulted)
//	args[1]: could be extra data to send with(no default)
//	args[2]: could be error msg to send to with debug mode
func R501(c fiber.Ctx, args ...any) error {
	r := &res{
		Status: 501,
	}

	return _r(c, r, args...)
}