package log

import (
	_ "embed"
	"reflect"

	"apigo.cc/gojs"
	"apigo.cc/gojs/goja"
	"github.com/ssgo/u"
)

//go:embed log.ts
var logTS string

//go:embed README.md
var logMD string

func init() {
	obj := map[string]any{
		"info": func(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
			args := gojs.MakeArgs(&argsIn, vm).Check(1)
			args.Logger.Info(getExceptionString(argsIn, vm), args.Map2Array(1)...)
			return nil
		},
		"warn": func(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
			args := gojs.MakeArgs(&argsIn, vm).Check(1)
			args.Logger.Warning(getExceptionString(argsIn, vm), args.Map2Array(1)...)
			return nil
		},
		"error": func(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
			args := gojs.MakeArgs(&argsIn, vm).Check(1)
			args.Logger.Error(getExceptionString(argsIn, vm), args.Map2Array(1)...)
			return nil
		},
		"debug": func(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
			args := gojs.MakeArgs(&argsIn, vm).Check(1)
			args.Logger.Debug(getExceptionString(argsIn, vm), args.Map2Array(1)...)
			return nil
		},
		"getExceptionString": func(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
			return vm.ToValue(getExceptionString(argsIn, vm))
		},
	}

	gojs.Register("apigo.cc/gojs/log", gojs.Module{
		Object:  obj,
		Desc:    "logger api by github.com/ssgo/log",
		TsCode:  logTS,
		Example: logMD,
	})
}

func getExceptionString(args goja.FunctionCall, vm *goja.Runtime) string {
	if len(args.Arguments) == 0 {
		return ""
	}
	if args.Argument(0).ExportType() != nil && args.Argument(0).ExportType().Kind() == reflect.Map {
		ex := args.Argument(0).ToObject(vm)
		message := ex.Get("message")
		if message != nil {
			messageStr := u.String(message.Export())
			if messageStr != "" {
				stack := ex.Get("stack")
				if stack != nil {
					messageStr += "\n" + u.String(stack.Export())
				}
				return messageStr
			}
		}
	}
	return u.String(args.Argument(0))
}