package core

import (
	"bytes"
	"encoding/json"
	"fmt"
	"hack-browser-data/log"
	"hack-browser-data/utils"
	"os"
	"sort"

	"github.com/jszwec/csvutil"
)

var utf8Bom = []byte{239, 187, 191}

func (b BrowserData) OutPutCsv(dir, browser, format string) error {
	switch {
	case len(b.BookmarkSlice) != 0:
		filename := utils.FormatFileName(dir, browser, utils.Bookmarks, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail %s", filename, err)
		}
		file.Write(utf8Bom)
		data, err := csvutil.Marshal(b.BookmarkSlice)
		file.Write(data)
		fmt.Printf("%s Get %d bookmarks, filename is %s \n", log.Prefix, len(b.BookmarkSlice), filename)
		fallthrough
	case len(b.LoginDataSlice) != 0:
		filename := utils.FormatFileName(dir, browser, utils.LoginData, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail", filename)
		}
		file.Write(utf8Bom)
		data, err := csvutil.Marshal(b.LoginDataSlice)
		file.Write(data)
		fmt.Printf("%s Get %d login data, filename is %s \n", log.Prefix, len(b.LoginDataSlice), filename)
		fallthrough
	case len(b.CookieMap) != 0:
		filename := utils.FormatFileName(dir, browser, utils.Cookies, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail", filename)
		}
		var tempSlice []cookies
		for _, v := range b.CookieMap {
			tempSlice = append(tempSlice, v...)
		}
		file.Write(utf8Bom)
		data, err := csvutil.Marshal(tempSlice)
		file.Write(data)
		fmt.Printf("%s Get %d cookies, filename is %s \n", log.Prefix, len(b.CookieMap), filename)
		fallthrough
	case len(b.HistorySlice) != 0:
		filename := utils.FormatFileName(dir, browser, utils.History, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail", filename)
		}
		file.Write(utf8Bom)
		data, err := csvutil.Marshal(b.HistorySlice)
		file.Write(data)
		fmt.Printf("%s Get %d login data, filename is %s \n", log.Prefix, len(b.HistorySlice), filename)
	}
	return nil
}

func (b BrowserData) OutPutJson(dir, browser, format string) error {
	switch {
	case len(b.BookmarkSlice) != 0:
		filename := utils.FormatFileName(dir, browser, utils.Bookmarks, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail", filename)
		}
		w := new(bytes.Buffer)
		enc := json.NewEncoder(w)
		enc.SetEscapeHTML(false)
		enc.SetIndent("", "\t")
		enc.Encode(b.BookmarkSlice)
		file.Write(w.Bytes())
		fmt.Printf("%s Get %d bookmarks, filename is %s \n", log.Prefix, len(b.BookmarkSlice), filename)
		fallthrough
	case len(b.CookieMap) != 0:
		filename := utils.FormatFileName(dir, browser, utils.Cookies, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail", filename)
		}
		w := new(bytes.Buffer)
		enc := json.NewEncoder(w)
		enc.SetEscapeHTML(false)
		enc.SetIndent("", "\t")
		err = enc.Encode(b.CookieMap)
		if err != nil {
			log.Debug(err)
		}
		file.Write(w.Bytes())
		fmt.Printf("%s Get %d cookies, filename is %s \n", log.Prefix, len(b.CookieMap), filename)
		fallthrough
	case len(b.HistorySlice) != 0:
		filename := utils.FormatFileName(dir, browser, utils.History, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail", filename)
		}
		w := new(bytes.Buffer)
		enc := json.NewEncoder(w)
		enc.SetEscapeHTML(false)
		enc.SetIndent("", "\t")
		err = enc.Encode(b.HistorySlice)
		if err != nil {
			log.Debug(err)
		}
		file.Write(w.Bytes())
		fmt.Printf("%s Get %d history, filename is %s \n", log.Prefix, len(b.HistorySlice), filename)
		fallthrough
	case len(b.LoginDataSlice) != 0:
		filename := utils.FormatFileName(dir, browser, utils.LoginData, format)
		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
		defer file.Close()
		if err != nil {
			log.Errorf("create file %s fail", filename)
		}
		w := new(bytes.Buffer)
		enc := json.NewEncoder(w)
		enc.SetEscapeHTML(false)
		enc.SetIndent("", "\t")
		err = enc.Encode(b.LoginDataSlice)
		if err != nil {
			log.Debug(err)
		}
		file.Write(w.Bytes())
		fmt.Printf("%s Get %d login data, filename is %s \n", log.Prefix, len(b.LoginDataSlice), filename)
	}
	return nil
}

func (b BrowserData) Sorted() {
	sort.Slice(b.BookmarkSlice, func(i, j int) bool {
		return b.BookmarkSlice[i].ID < b.BookmarkSlice[j].ID
	})
	sort.Slice(b.HistorySlice, func(i, j int) bool {
		return b.HistorySlice[i].VisitCount > b.HistorySlice[j].VisitCount
	})
	sort.Sort(b.LoginDataSlice)
}