package main

import (
	"database/sql"
	"federated.computer/wp-sync-slowtwitch/services/migration"
	"fmt"
)

// WP Config
const baseUrl = "http://go-api-playground.local/"
const wordpressKey = "admin"
const wordpressSecret = "7ZeY ZCwp 3DwL EBAK vGtf NW9J"

// DB Config
const slowtwitchAdminUser = "admin"
const slowtwitchAdminPass = "yxnh93Ybbz2Nm8#mp28zCVv"
const slowtwitchDbName = "slowtwitch"
const migrationDbName = "slowtwitch_transfer_threaded_test"
const federatedDbUrl = "slowtwitch.northend.network"
const federatedDbPort = "3306"

var slowtwitchDB *sql.DB
var resultsDB *sql.DB

func main() {
	connectToDatabases()
	migrateAuthors()
	migrateCategories()
	migratePosts()
}

func connectToDatabases() {
	slowtwitchDatabase, slowtwitchDbErr := migration.Connect(slowtwitchAdminUser, slowtwitchAdminPass, federatedDbUrl, federatedDbPort, slowtwitchDbName+"?parseTime=true")
	if slowtwitchDbErr != nil {
		panic("Could not connect to slowtwitch database.")
	} else {
		slowtwitchDB = slowtwitchDatabase
	}
	resultsDatabase, resultsDBerr := migration.Connect(slowtwitchAdminUser, slowtwitchAdminPass, federatedDbUrl, federatedDbPort, migrationDbName)
	if resultsDBerr != nil {
		panic("Could not connect to results database.")
	} else {
		resultsDB = resultsDatabase
	}

	createEditorsTableSQL := `
		create table if not exists EditorsResults(
			Id int primary key not null auto_increment,
			WordpressId int not null,
			Username nvarchar(100) not null,
			Email nvarchar(100),
			IsSuccess BIT not null
		);`
	_, editorsTableErr := resultsDB.Exec(createEditorsTableSQL)
	if editorsTableErr != nil {
		panic("Could not create editors table.")
	}

	createCategoryResultsTableSQL := `
		create table if not exists CategoryResults (
			Id int primary key not null auto_increment,
			SlowtwitchId int not null,
			WordpressId int not null,
			OldUrl nvarchar(500) not null,
			OldUrlStatus int,
			NewUrl nvarchar(500),
			IsSuccess BIT not null,
			ErrorMessage nvarchar(1500)
		);`
	_, createCategoryResultsTableErr := resultsDB.Exec(createCategoryResultsTableSQL)
	if createCategoryResultsTableErr != nil {
		panic("Could not create category results table.")
	}

	createPostsResultsTableSQL := `
		create table if not exists PostResults(
			Id int primary key not null auto_increment,
			SlowtwitchId int not null,
			WordpressId int not null,
			OldUrl nvarchar(500) not null,
			OldUrlStatus int,
			NewUrl nvarchar(500),
			IsSuccess BIT not null,
			ErrorMessage nvarchar(1500)
		);`
	_, createPostsResultsTableErr := resultsDB.Exec(createPostsResultsTableSQL)
	if createPostsResultsTableErr != nil {
		panic("Could not create post results table.")
	}

	createImageResultsTableSQL := `
		create table if not exists ImageResults(
			Id int primary key not null auto_increment,
			PostId int null,
			WordpressId int not null,
			OldUrl nvarchar(500) not null,
			NewUrl nvarchar(500),
			IsSuccess BIT not null,
			ErrorMessage nvarchar(1500),
			foreign key (PostId) references PostResults(Id)
		);`
	_, createImageResultsTableErr := resultsDB.Exec(createImageResultsTableSQL)
	if createImageResultsTableErr != nil {
		panic("Could not create image results table.")
	}
}

func migrateAuthors() {
	fmt.Println("Migrating Authors and Editors")
	editorMigration := migration.MigrateAuthors{
		SlowtwitchDatabase: slowtwitchDB,
		ResultsDatabase:    resultsDB,
		WordpressBaseUrl:   baseUrl,
		WordpressUser:      wordpressKey,
		WordpressPassword:  wordpressSecret,
	}
	editorResults := editorMigration.Execute()
	fmt.Println("Migrated", len(editorResults), "Editors and Authors")
}

func migrateCategories() {
	fmt.Println("Migrating Categories")
	categoryMigration := migration.MigrateCategories{
		SlowtwitchDatabase: slowtwitchDB,
		ResultsDatabase:    resultsDB,
		WordpressBaseUrl:   baseUrl,
		WordpressUser:      wordpressKey,
		WordpressPassword:  wordpressSecret,
	}
	categoryResults := categoryMigration.Execute()
	fmt.Println("Migrated", len(categoryResults), "Categories")
}

func migratePosts() {
	fmt.Println("Migrating Posts")
	postMigration := migration.MigratePosts{
		SlowtwitchDatabase: slowtwitchDB,
		ResultsDatabase:    resultsDB,
		WordpressBaseUrl:   baseUrl,
		WordpressUser:      wordpressKey,
		WordpressPassword:  wordpressSecret,
	}
	results := postMigration.Execute()
	fmt.Println("Migration complete, migrated", len(results), "Posts")
}