package oidc

import (
	"github.com/caos/zitadel/internal/crypto"
	"github.com/caos/zitadel/internal/eventstore/v2"
)

type ConfigWriteModel struct {
	eventstore.WriteModel

	IDPConfigID  string
	ClientID     string
	ClientSecret *crypto.CryptoValue
	Issuer       string
	Scopes       []string

	IDPDisplayNameMapping MappingField
	UserNameMapping       MappingField
}

func (wm *ConfigWriteModel) Reduce() error {
	for _, event := range wm.Events {
		switch e := event.(type) {
		case *ConfigAddedEvent:
			wm.reduceConfigAddedEvent(e)
		case *ConfigChangedEvent:
			wm.reduceConfigChangedEvent(e)
		}
	}

	return wm.WriteModel.Reduce()
}

func (wm *ConfigWriteModel) reduceConfigAddedEvent(e *ConfigAddedEvent) {
	wm.IDPConfigID = e.IDPConfigID
	wm.ClientID = e.ClientID
	wm.ClientSecret = e.ClientSecret
	wm.Issuer = e.Issuer
	wm.Scopes = e.Scopes
	wm.IDPDisplayNameMapping = e.IDPDisplayNameMapping
	wm.UserNameMapping = e.UserNameMapping
}

func (wm *ConfigWriteModel) reduceConfigChangedEvent(e *ConfigChangedEvent) {
	if e.ClientID != "" {
		wm.ClientID = e.ClientID
	}
	if e.Issuer != "" {
		wm.Issuer = e.Issuer
	}
	if len(e.Scopes) > 0 {
		wm.Scopes = e.Scopes
	}
	if e.IDPDisplayNameMapping.Valid() {
		wm.IDPDisplayNameMapping = e.IDPDisplayNameMapping
	}
	if e.UserNameMapping.Valid() {
		wm.UserNameMapping = e.UserNameMapping
	}
}