package lib

import (
	"log"
	"path/filepath"
	"strings"

	"git.ymnuktech.ru/ymnuk/yt-gen-app/lib/templ"
	"git.ymnuktech.ru/ymnuk/yt-gen-app/structs"
)

func Backend() {
	// Создаем необходимые директории
	dirs := []string{
		filepath.Join(AppConfig.OutdirBackend, "db", "model"),
		filepath.Join(AppConfig.OutdirBackend, "lib", "salt"),
		filepath.Join(AppConfig.OutdirBackend, "structs"),
		filepath.Join(AppConfig.OutdirBackend, "route", "static"),
		filepath.Join(AppConfig.OutdirBackend, "route", "api", "auth"),
		filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "role"),
		filepath.Join(AppConfig.OutdirBackend, "middleware"),
	}
	if len(dirs) > 0 {
		for _, dir := range dirs {
			if err := templ.MkdirIsNotExists(dir); err != nil {
				log.Fatal(err)
			}
		}
	}

	backendGenerateStructs()
	generateDB()
	generateBackendTmpl()

	execCommands()
	backendFixApi()
}

// Генерирование структуры БД
func generateDB() {

	generateModelBase()
}

func generateBackendTmpl() {
	staticTmpls := []structs.TmplInOut{
		// root
		{
			FileIn:  "tmpl/backend/gitignore.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, ".gitignore"),
		},

		// lib
		{
			FileIn:  "tmpl/backend/lib/connect-to-ldap.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "lib", "connect-to-ldap.go"),
		},

		// lib/salt
		{
			FileIn:  "tmpl/backend/lib/salt/generate-salt.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "lib", "salt", "generate-salt.go"),
		},

		// structs
		{
			FileIn:  "tmpl/backend/structs/filter-request.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "structs", "filter-request.go"),
		},
		{
			FileIn:  "tmpl/backend/structs/jwt-custom-claim.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "structs", "jwt-custom-claim.go"),
		},
		{
			FileIn:  "tmpl/backend/structs/result.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "structs", "result.go"),
		},

		// db
		{
			FileIn:  "tmpl/backend/db/transaction.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "db", "transaction.go"),
		},

		// db/model
		{
			FileIn:  "tmpl/backend/db/model/base.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "db", "model", "base.go"),
		},
		{
			FileIn:  "tmpl/backend/db/model/base-int.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "db", "model", "base-int.go"),
		},
		{
			FileIn:  "tmpl/backend/db/model/role.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "db", "model", "role.go"),
		},
		{
			FileIn:  "tmpl/backend/db/model/user-role.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "db", "model", "user-role.go"),
		},
		{
			FileIn:  "tmpl/backend/db/model/log.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "db", "model", "log.go"),
		},

		// routes
		{
			FileIn:  "tmpl/backend/route/static/gitkeep.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "static", ".gitkeep"),
		},
		{
			FileIn:  "tmpl/backend/route/static/static.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "static", "static.html"),
		},

		{
			FileIn:  "tmpl/backend/middleware/middleware.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "middleware", "middleware.go"),
		},
	}
	if len(staticTmpls) > 0 {
		for _, staticTmpl := range staticTmpls {
			if err := templ.WriteTmplFile(staticTmpl.FileIn, staticTmpl.FileOut); err != nil {
				log.Fatal(err)
			}
		}
	}

	// middlewares
	if err := templ.PrepareTmplFile("tmpl/backend/middleware/middleware.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "middleware", "middleware.go")); err != nil {
		panic(err)
	}

	generateBackendRest()
}

func generateModelBase() {
	// main
	if err := templ.PrepareTmplFile("tmpl/backend/main.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "main.go")); err != nil {
		log.Fatal(err)
	}
	if err := templ.PrepareTmplFile("tmpl/backend/lib/config.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "lib", "config.go")); err != nil {
		log.Fatal(err)
	}

	// db
	if err := templ.PrepareTmplIsNotExists("tmpl/backend/db/model/user.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "db", "model", "user.go")); err != nil {
		log.Fatal(err)
	}
	if err := templ.PrepareTmplFile("tmpl/backend/db/db.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "db", "db.go")); err != nil {
		log.Fatal(err)
	}

	if len(Project.DB.Tables) > 0 {
		for _, table := range Project.DB.Tables {
			if err := templ.PrepareTmplFile("tmpl/backend/db/model/model.tmpl", table, filepath.Join(AppConfig.OutdirBackend, "db", "model", strings.ToLower(table.Name)+".go")); err != nil {
				log.Fatal(err)
			}

		}
	}

	if len(Project.DB.Tables) > 0 {
		for _, table := range Project.DB.Tables {
			if len(table.Values) > 0 {
				if err := templ.PrepareTmplFile("tmpl/backend/db/migrate-model.tmpl", structs.RestStruct{
					Project: Project,
					Table:   &table,
				}, filepath.Join(AppConfig.OutdirBackend, "db", "migrate"+templ.FieldNamePrepare(table.Name)+".go")); err != nil {
					log.Fatal(err)
				}
			}
		}
	}

	// Создаем файл с функциями кэширования пользователей из JWT для их работы
	if err := templ.PrepareTmplFile("tmpl/backend/db/user-cache.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "db", "user-cache.go")); err != nil {
		log.Fatal(err)
	}

	if err := templ.PrepareTmplFile("tmpl/backend/log/log.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "log", "log.go")); err != nil {
		log.Fatal(err)
	}

	// middleware
	if err := templ.PrepareTmplFile("tmpl/backend/middleware/middleware.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "middleware", "middleware.go")); err != nil {
		log.Fatal(err)
	}
	if err := templ.PrepareTmplFile("tmpl/backend/middleware/in-role.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "middleware", "in-role.go")); err != nil {
		log.Fatal(err)
	}

	staticTmpls := []structs.TmplInOut{
		// route
		{
			FileIn:  "tmpl/backend/route/route.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "route.go"),
		},
		// route/api
		{
			FileIn:  "tmpl/backend/route/api/index.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "index.go"),
		},
		// route/api/auth
		{
			FileIn:  "tmpl/backend/route/api/auth/index.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "auth", "index.go"),
		},
		// route/api/user
		{
			FileIn:  "tmpl/backend/route/api/user/index.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "index.go"),
		},

		{
			FileIn:  "tmpl/backend/route/api/user/ldap-search.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "ldap-search.go"),
		},
		{
			FileIn:  "tmpl/backend/route/api/user/list-users.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "list-users.go"),
		},
		{
			FileIn:  "tmpl/backend/route/api/user/lock.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "lock.go"),
		},
		{
			FileIn:  "tmpl/backend/route/api/user/unlock.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "unlock.go"),
		},
		{
			FileIn:  "tmpl/backend/route/api/user/delete.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "delete.go"),
		},
	}

	for _, item := range staticTmpls {
		if err := templ.PrepareTmplFile(item.FileIn, Project, item.FileOut); err != nil {
			log.Fatal(err)
		}
	}

	staticTmpls = []structs.TmplInOut{
		{
			FileIn:  "tmpl/backend/route/api/user/get.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "get.go"),
		},
		{
			FileIn:  "tmpl/backend/route/api/user/post.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "post.go"),
		},
		{
			FileIn:  "tmpl/backend/route/api/user/put.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "put.go"),
		},

		{
			FileIn:  "tmpl/backend/route/api/safed/index.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "safed", "index.go"),
		},
		{
			FileIn:  "tmpl/backend/route/api/unsafed/index.tmpl",
			FileOut: filepath.Join(AppConfig.OutdirBackend, "route", "api", "unsafed", "index.go"),
		},
	}
	for _, item := range staticTmpls {
		if err := templ.PrepareTmplIsNotExists(item.FileIn, Project, item.FileOut); err != nil {
			log.Fatal(err)
		}
	}

	// route/api/user/role
	if err := templ.PrepareTmplFile("tmpl/backend/route/api/user/role/index.tmpl", Project, filepath.Join(AppConfig.OutdirBackend, "route", "api", "user", "role", "index.go")); err != nil {
		log.Fatal(err)
	}

}