package config

import "strings"

// AboutLink is a configurable link displayed in the about dialog.
type AboutLink struct {
	Title       string `json:"title"`
	Description string `json:"description"`
	URL         string `json:"url"`
	Icon        string `json:"icon"`
}

// SiteSettings is the single JSON payload stored alongside the SiteConfig row.
// The encrypted Umami credential is intentionally kept in this internal type.
type SiteSettings struct {
	SiteName        string `json:"siteName"`
	SiteURL         string `json:"siteURL"`
	SiteIcon        string `json:"siteIcon"`
	SiteDescription string `json:"siteDescription"`
	SiteKeywords    string `json:"siteKeywords"`
	UserName        string `json:"userName"`
	ProfileImageURL string `json:"profileImageURL"`
	ICPNumber       string `json:"icpNumber"`
	PoliceNumber    string `json:"policeNumber"`
	PageTitle       string `json:"pageTitle"`
	Favicon         string `json:"favicon"`
	IconLibrary     string `json:"iconLibrary"`
	FontLibrary     string `json:"fontLibrary"`

	FooterYearStart string   `json:"footerYearStart"`
	FooterYearEnd   string   `json:"footerYearEnd"`
	ShowVisitTimer  bool     `json:"showVisitTimer"`
	RotatingTexts   []string `json:"rotatingTexts"`

	GreetingText     string      `json:"greetingText"`
	OnlineStatusText string      `json:"onlineStatusText"`
	FooterLabel      string      `json:"footerLabel"`
	ShowAbout        bool        `json:"showAbout"`
	ShowSites        bool        `json:"showSites"`
	ShowContacts     bool        `json:"showContacts"`
	ShowThemeToggle  bool        `json:"showThemeToggle"`
	ShowFooter       bool        `json:"showFooter"`
	AboutTitle       string      `json:"aboutTitle"`
	AboutDescription string      `json:"aboutDescription"`
	AboutLinks       []AboutLink `json:"aboutLinks"`
	SitePageSize     int         `json:"sitePageSize"`
	OpenLinksNewTab  bool        `json:"openLinksInNewTab"`

	AnalyticsProvider  string `json:"analyticsProvider"`
	UmamiScript        string `json:"umamiScript"`
	UmamiWebsiteID     string `json:"umamiWebsiteId"`
	UmamiAPIMode       string `json:"umamiApiMode"`
	UmamiAPIURL        string `json:"umamiApiUrl"`
	UmamiCredential    string `json:"umamiCredential"`
	UmamiDomains       string `json:"umamiDomains"`
	UmamiDoNotTrack    bool   `json:"umamiDoNotTrack"`
	UmamiExcludeSearch bool   `json:"umamiExcludeSearch"`
	UmamiExcludeHash   bool   `json:"umamiExcludeHash"`
	UmamiPerformance   bool   `json:"umamiPerformance"`
	UmamiTag           string `json:"umamiTag"`
}

var defaultRotatingTexts = []string{
	"你好鸭，欢迎来到我的主页！！",
	"随时可以联系我，期待与你交流。",
	"愿你历尽千帆，归来仍是少年。",
	"梦想还是要有的，万一实现了呢？",
	"I hope you have a happy day every day.",
}

func DefaultSiteSettings() *SiteSettings {
	return &SiteSettings{
		SiteName:         "个人主页",
		SiteURL:          "https://example.com",
		SiteIcon:         "/favicon.ico",
		SiteDescription:  "一个基于Vue3的个人主页",
		SiteKeywords:     "个人主页,Vue3",
		UserName:         "用户",
		PageTitle:        "个人主页",
		Favicon:          "/favicon.ico",
		FooterYearStart:  "",
		FooterYearEnd:    "",
		ShowVisitTimer:   true,
		RotatingTexts:    append([]string(nil), defaultRotatingTexts...),
		GreetingText:     "Hi,",
		OnlineStatusText: "在线中",
		FooterLabel:      "Made by",
		ShowAbout:        true,
		ShowSites:        true,
		ShowContacts:     true,
		ShowThemeToggle:  true,
		ShowFooter:       true,
		AboutTitle:       "关于本站",
		AboutLinks: []AboutLink{
			{Title: "静态原项目", Description: "Home-Vue", URL: "https://github.com/JLinMr/Home-Vue", Icon: "fab fa-github"},
			{Title: "动态现项目", Description: "Home-Vue-go", URL: "https://github.com/QWQLwToo/Home-Vue-go", Icon: "fab fa-github"},
		},
		SitePageSize:       6,
		OpenLinksNewTab:    true,
		AnalyticsProvider:  "local",
		UmamiAPIMode:       "selfhost",
		UmamiDoNotTrack:    true,
		UmamiExcludeSearch: false,
		UmamiExcludeHash:   false,
		UmamiPerformance:   false,
	}
}

func (s *SiteSettings) Normalize() {
	defaults := DefaultSiteSettings()
	if strings.TrimSpace(s.SiteName) == "" {
		s.SiteName = defaults.SiteName
	}
	if strings.TrimSpace(s.SiteURL) == "" {
		s.SiteURL = defaults.SiteURL
	}
	if strings.TrimSpace(s.SiteIcon) == "" {
		s.SiteIcon = defaults.SiteIcon
	}
	if strings.TrimSpace(s.SiteDescription) == "" {
		s.SiteDescription = defaults.SiteDescription
	}
	if strings.TrimSpace(s.SiteKeywords) == "" {
		s.SiteKeywords = defaults.SiteKeywords
	}
	if strings.TrimSpace(s.UserName) == "" {
		s.UserName = defaults.UserName
	}
	if strings.TrimSpace(s.PageTitle) == "" {
		s.PageTitle = defaults.PageTitle
	}
	if strings.TrimSpace(s.Favicon) == "" {
		s.Favicon = defaults.Favicon
	}
	if strings.TrimSpace(s.GreetingText) == "" {
		s.GreetingText = defaults.GreetingText
	}
	if strings.TrimSpace(s.OnlineStatusText) == "" {
		s.OnlineStatusText = defaults.OnlineStatusText
	}
	if strings.TrimSpace(s.FooterLabel) == "" {
		s.FooterLabel = defaults.FooterLabel
	}
	if strings.TrimSpace(s.AboutTitle) == "" {
		s.AboutTitle = defaults.AboutTitle
	}
	if s.SitePageSize != 6 && s.SitePageSize != 9 && s.SitePageSize != 12 {
		s.SitePageSize = defaults.SitePageSize
	}
	if s.AnalyticsProvider != "umami" {
		s.AnalyticsProvider = "local"
	}
	if s.UmamiAPIMode != "cloud" {
		s.UmamiAPIMode = "selfhost"
	}

	filteredTexts := make([]string, 0, 8)
	for _, text := range s.RotatingTexts {
		if value := strings.TrimSpace(text); value != "" {
			filteredTexts = append(filteredTexts, value)
		}
		if len(filteredTexts) == 8 {
			break
		}
	}
	if len(filteredTexts) == 0 {
		filteredTexts = append([]string(nil), defaults.RotatingTexts...)
	}
	s.RotatingTexts = filteredTexts
	if len(s.AboutLinks) > 8 {
		s.AboutLinks = s.AboutLinks[:8]
	}
}

func (s *SiteSettings) Clone() *SiteSettings {
	copyValue := *s
	copyValue.RotatingTexts = append([]string(nil), s.RotatingTexts...)
	copyValue.AboutLinks = append([]AboutLink(nil), s.AboutLinks...)
	return &copyValue
}