package main

import (
	"fmt"
	"syscall/js"

	"go.jolheiser.com/go-spectre"
)

const defaultScoper = "com.lyndir.masterpassword"

var Scoper string

//go:generate go build -ldflags "-X 'main.Scoper=$PWA_SPECTRE_SCOPER'" -o ../assets/spectre.wasm
func main() {
	if Scoper == "" {
		Scoper = defaultScoper
	}
	scoper := spectre.SimpleScoper{
		Key: Scoper,
	}
	js.Global().Set("spectre", spectreWrapper(scoper))
	js.Global().Set("defaultScoper", Scoper == defaultScoper)
	fmt.Println("Spectre Init")
	<-make(chan struct{})
}

func spectreWrapper(scoper spectre.Scoper) js.Func {
	spectreFunc := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		if len(args) != 2 {
			return "Invalid number of arguments"
		}

		s, err := spectre.New(args[0].String(), args[1].String(), spectre.WithScoper(scoper))
		if err != nil {
			return err.Error()
		}
		return map[string]interface{}{
			// Site(site, counter, scope, template)
			"Site": js.FuncOf(func(this js.Value, args []js.Value) interface{} {
				if len(args) != 4 {
					return "Invalid number of arguments"
				}

				scope, err := spectre.ParseScope(args[2].String())
				if err != nil {
					return err.Error()
				}

				template, err := spectre.ParseTemplate(args[3].String())
				if err != nil {
					return err.Error()
				}

				return s.Site(args[0].String(),
					spectre.WithCounter(args[1].Int()),
					spectre.WithScope(scope),
					spectre.WithTemplate(template),
				)
			}),
		}
	})
	return spectreFunc
}