package mailer

import (
	"encoding/json"
	"os"

	"clickandjoin.app/emailserver/modules/cache"
	"clickandjoin.app/emailserver/modules/config"
	gocnjhelper "git.clickandjoin.umbach.dev/ClickandJoin/go-cnj-helper"
	"github.com/tdewolff/minify/v2/minify"
)

func readTemplatesConfig() {
	gocnjhelper.LogDebug("START READING TEMPLATE CONFIG")

	byteValue, err := os.ReadFile(config.Cfg.Templates.ConfigPath)

	if err != nil {
		gocnjhelper.LogFatalf("Failed to read config file, err: %s", err)
	}

	err = json.Unmarshal(byteValue, &cache.Templates)

	if err != nil {
		gocnjhelper.LogFatalf("Failed to unmarshal templates config, err: %s", err)
	}

	gocnjhelper.LogDebug("FINISHED READING TEMPLATE CONFIG")
}

func loadTemplateFiles() {
	gocnjhelper.LogDebug("STARTING IMPORTING TEMPLATE FILES")

	for templateName := range cache.Templates.Templates {
		data, err := os.ReadFile(config.Cfg.Templates.FolderPath + templateName + ".html")

		if err != nil {
			gocnjhelper.LogFatalf("Failed to read file, err: %s", err)
		}

		minifiedHtml, err := minify.HTML(string(data))

		if err != nil {
			gocnjhelper.LogFatalf("Failed to minify html, err: %s", err)
		}

		cache.BodyTemplates[templateName] = []byte(minifiedHtml)
	}

	gocnjhelper.LogDebug("FINISHED IMPORTING TEMPLATE FILES")
}