import type { RequiredDeep } from 'type-fest'
import type { SettingsLegacyOptions, SettingsOptions } from './types'
import { createDefu } from 'defu'
import { cloneDeep } from 'es-toolkit'
import settingsDefault from './default'

export const merge = createDefu((obj, key, value) => {
 if (Array.isArray(obj[key]) && Array.isArray(value)) {
 obj[key] = value
 return true
 }
})

function isObject(value: unknown): value is Record<string, any> {
 return typeof value === 'object' && value !== null && !Array.isArray(value)
}

export function diffTwoObj(originalObj: Record<string, any>, diffObj: Record<string, any>) {
 if (!isObject(originalObj) || !isObject(diffObj)) {
 return diffObj
 }
 const diff: Record<string, any> = {}
 for (const key in diffObj) {
 const originalValue = originalObj[key]
 const diffValue = diffObj[key]
 if (JSON.stringify(originalValue) !== JSON.stringify(diffValue)) {
 if (isObject(originalValue) && isObject(diffValue)) {
 const nestedDiff = diffTwoObj(originalValue, diffValue)
 if (Object.keys(nestedDiff).length > 0) {
 diff[key] = nestedDiff
 }
 }
 else {
 diff[key] = diffValue
 }
 }
 }
 return diff
}

export function setSettings(settings: SettingsOptions) {
 return merge(settings, cloneDeep(settingsDefault)) as RequiredDeep<SettingsOptions>
}

export function setSettingsLegacy(settingsLegacy: SettingsLegacyOptions) {
 const settingsDefaultLegacy: RequiredDeep<SettingsLegacyOptions> = {
 app: {
 colorScheme: 'light',
 radius: 0.5,
 enableMournMode: false,
 enableColorAmblyopiaMode: false,
 enablePermission: false,
 enableProgress: true,
 enableDynamicTitle: false,
 routeBaseOn: 'frontend',
 },
 home: {
 enable: true,
 title: '主页',
 fullPath: '/',
 },
 layout: {
 enableMobileAdaptation: false,
 },
 menu: {
 mode: 'side',
 mainMenuClickMode: 'switch',
 subMenuUniqueOpened: true,
 subMenuCollapse: false,
 enableSubMenuCollapseButton: false,
 enableHotkeys: false,
 },
 topbar: {
 mode: 'static',
 },
 tabbar: {
 enable: false,
 enableIcon: false,
 enableHotkeys: false,
 },
 toolbar: {
 enable: true,
 breadcrumb: true,
 navSearch: true,
 fullscreen: false,
 pageReload: false,
 colorScheme: false,
 },
 navSearch: {
 enableHotkeys: true,
 },
 copyright: {
 enable: false,
 dates: '',
 company: '',
 website: '',
 },
 }

 settingsLegacy = merge(settingsLegacy, cloneDeep(settingsDefaultLegacy))

 const settings: SettingsOptions = {
 app: {
 account: {
 auth: settingsLegacy.app?.enablePermission,
 },
 routeBaseOn: settingsLegacy.app?.routeBaseOn === 'filesystem' ? 'frontend' : settingsLegacy.app?.routeBaseOn,
 dynamicTitle: settingsLegacy.app?.enableDynamicTitle,
 rip: settingsLegacy.app?.enableMournMode,
 mobile: settingsLegacy.layout?.enableMobileAdaptation,
 home: {
 enable: settingsLegacy.home?.enable,
 title: settingsLegacy.home?.title,
 fullPath: settingsLegacy.home?.fullPath,
 },
 copyright: {
 enable: settingsLegacy.copyright?.enable,
 dates: settingsLegacy.copyright?.dates,
 company: settingsLegacy.copyright?.company,
 website: settingsLegacy.copyright?.website,
 },
 },
 theme: {
 colorScheme: settingsLegacy.app?.colorScheme,
 radius: settingsLegacy.app?.radius,
 colorAmblyopia: settingsLegacy.app?.enableColorAmblyopiaMode,
 },
 menu: {
 mode: settingsLegacy.menu?.mode,
 mainMenuClickMode: settingsLegacy.menu?.mainMenuClickMode,
 subMenuUniqueExpand: settingsLegacy.menu?.subMenuUniqueOpened,
 subMenuCollapse: settingsLegacy.menu?.subMenuCollapse,
 subMenuCollapseButton: settingsLegacy.menu?.enableSubMenuCollapseButton,
 hotkeys: settingsLegacy.menu?.enableHotkeys,
 },
 topbar: {
 tabbar: settingsLegacy.tabbar?.enable,
 toolbar: settingsLegacy.toolbar?.enable,
 mode: settingsLegacy.topbar?.mode,
 },
 tabbar: {
 icon: settingsLegacy.tabbar?.enableIcon,
 hotkeys: settingsLegacy.tabbar?.enableHotkeys,
 },
 toolbar: {
 breadcrumb: settingsLegacy.toolbar?.breadcrumb,
 menuSearch: {
 enable: settingsLegacy.toolbar?.navSearch,
 hotkeys: settingsLegacy.navSearch?.enableHotkeys,
 },
 fullscreen: settingsLegacy.toolbar?.fullscreen,
 pageReload: settingsLegacy.toolbar?.pageReload,
 colorScheme: settingsLegacy.toolbar?.colorScheme,
 },
 page: {
 progress: settingsLegacy.app?.enableProgress,
 },
 }

 const result = merge(settings, cloneDeep(settingsDefault))

 // turbo-console-disable-next-line
 console.warn(
 '[Fantastic-admin]\n\n当前正在使用 v5.x 版本的配置,为了您的使用体验,请复制下方 v6.x 配置到 src/settings.ts 中替换\n',
 JSON.stringify(diffTwoObj(settingsDefault, result), null, 2),
 )

 return result as RequiredDeep<SettingsOptions>
}