package main

import (
	"flag"
	"fmt"
	"log"
	"strings"
	"time"

	"git.aiterp.net/rpdata/api/internal/store"
	"git.aiterp.net/rpdata/api/models"
	"git.aiterp.net/rpdata/api/models/chapters"
	"git.aiterp.net/rpdata/api/models/stories"
	_ "github.com/go-sql-driver/mysql"
	"github.com/jmoiron/sqlx"
)

var flagHost = flag.String("host", "127.0.0.1:3306", "SQL host")
var flagDB = flag.String("database", "aitestory", "SQL database")
var flagUser = flag.String("user", "aitestory", "SQL user")
var flagPassword = flag.String("password", "", "SQL password")

func main() {
	flag.Parse()

	db, err := sqlx.Connect("mysql", fmt.Sprintf("%s:%s@(%s)/%s", *flagUser, *flagPassword, *flagHost, *flagDB))
	if err != nil {
		log.Fatalln(err)
	}

	err = db.Ping()
	if err != nil {
		log.Fatalln(err)
	}

	store.Init()

	results := make([]storyResult, 0, 64)
	rows, err := db.Queryx("SELECT * FROM page WHERE unlisted=0;")
	for rows.Next() {
		result := storyResult{}
		err := rows.StructScan(&result)
		if err != nil {
			log.Fatalln(err)
		}
		results = append(results, result)
	}

	tagResults := make([]tagResult, 0, 256)
	rows, err = db.Queryx("SELECT page_id,type,name FROM page_tag LEFT JOIN tag ON tag_id=tag.id;")
	for rows.Next() {
		result := tagResult{}
		err := rows.StructScan(&result)
		if err != nil {
			log.Fatalln(err)
		}
		tagResults = append(tagResults, result)
	}

	for _, result := range results {
		fictionalDate, err := time.Parse("2006-01-02 15:04:05", result.FictionalDate)
		if err != nil {
			if result.FictionalDate != "0000-00-00 00:00:00" {
				log.Fatalln(err)
			}
		}
		if fictionalDate.Year() < 1800 {
			fictionalDate = time.Time{}
		}

		publishDate, err := time.Parse("2006-01-02 15:04:05", result.PublishDate)
		if err != nil {
			log.Fatalln(err)
		}

		tags := make([]models.Tag, 0, 8)
		for _, tagResult := range tagResults {
			if tagResult.PageID == result.ID {
				tags = append(tags, models.Tag{Kind: models.TagKind(tagResult.Type), Name: tagResult.Name})
			}
		}

		category := models.StoryCategory(result.Category)
		if !category.IsValid() {
			log.Println(result.Name, "does not have a valid category:", result.Category)
			continue
		}

		story, err := stories.Add(result.Name, result.Author[5:], category, true, false, tags, publishDate, fictionalDate)
		if err != nil {
			log.Fatalln(err)
		}

		// Change the story title
		title := result.Name
		if strings.HasPrefix(result.Source, "#") {
			firstNewline := strings.Index(result.Source, "\n")
			result.Name = strings.Replace(result.Source[1:firstNewline], "\r", "", -1)
			result.Source = result.Source[firstNewline+1:]

			result.Source = strings.Replace(result.Source, "\r\n", "\n", -1)
			if strings.HasPrefix(result.Source, "\r") || strings.HasPrefix(result.Source, "\n") {
				result.Source = result.Source[1:]
			}
		}

		chapter, err := chapters.Add(story, title, result.Author[5:], result.Source, publishDate, &fictionalDate)
		if err != nil {
			log.Fatalln(err)
		}

		fmt.Println(result.ID, "->", story.ID, chapter.ID)
	}
}

type tagResult struct {
	PageID string `db:"page_id"`
	Type   string `db:"type"`
	Name   string `db:"name"`
}

type storyResult struct {
	ID            string  `db:"id"`
	Name          string  `db:"name"`
	Author        string  `db:"author"`
	Category      string  `db:"category"`
	FictionalDate string  `db:"fictional_date"`
	PublishDate   string  `db:"publish_date"`
	EditDate      string  `db:"edit_date"`
	Unlisted      bool    `db:"unlisted"`
	Dated         bool    `db:"dated"`
	Spesific      bool    `db:"specific"`
	Indexed       bool    `db:"indexed"`
	Published     bool    `db:"published"`
	Type          string  `db:"type"`
	Source        string  `db:"source"`
	Cache         string  `db:"cache"`
	BackgroundURL *string `db:"background_url"`
}