import com.atlassian.jira.component.ComponentAccessor

class WikiToHtml {
	static String transform(String wikiFormat) {
		if (!wikiFormat) {
			return null
		}

		// access the correct services
		def jcl = ComponentAccessor.classLoader
		def app = ComponentAccessor.getApplicationProperties()
		def epubClass = jcl.loadClass("com.atlassian.event.api.EventPublisher")
		def epub = ComponentAccessor.getOSGiComponentInstanceOfType(epubClass)
		def fmanClass = jcl.loadClass("com.atlassian.jira.config.FeatureManager")
		def fman = ComponentAccessor.getOSGiComponentInstanceOfType(fmanClass)
		def vreqClass = jcl.loadClass("com.atlassian.jira.util.velocity.VelocityRequestContextFactory")
		def vreq = ComponentAccessor.getOSGiComponentInstanceOfType(vreqClass)
		def wrenderClass = jcl.loadClass("com.atlassian.jira.issue.fields.renderer.wiki.AtlassianWikiRenderer")
		def wrender = wrenderClass.newInstance(epub, app, vreq, fman)


		def fixImage = wikiFormat?.replaceAll(/\!(\S+)\|\S+\!/, '<!-- inline image filename=#$1# -->')
		fixImage = fixImage.replaceAll(/\!\^(\S+)\|\S+\!/, '<!-- inline image filename=#$1# -->')
		fixImage = fixImage.replaceAll(/\!\^(\S+)\!/, '<!-- inline image filename=#$1# -->')
		fixImage = fixImage.replaceAll(/\!(\S+)\!/, '<!-- inline image filename=#$1# -->')

		// wiki text can also contain files
		fixImage = fixImage.replaceAll(/\[(\S+)\|\^(\S+)\]/, '<!-- inline file filename=#$2# -->')
		fixImage = fixImage.replaceAll(/\[\^(\S+)\]/, '<!-- inline file filename=#$1# -->')
		return wrender.render(fixImage, null)

	}

}

replica.description = WikiToHtml.transform(issue.description)
replica.labels         = issue.labels
replica.comments       = issue.comments.collect {
    comment -> 
    comment.body = WikiToHtml.transform (comment.body)
    comment
}

//change the projectKey!

if(firstSync){
   // Set type name from source entity, if not found set a default
   workItem.projectKey  =  "Mathieu"
   workItem.typeName = nodeHelper.getIssueType(replica.type?.name)?.name ?: "Task";
}

workItem.summary      = replica.summary
workItem.attachments  = attachmentHelper.mergeAttachments(workItem, replica)
workItem.labels       = replica.labels
workItem.priority     = replica.priority

def setInlineImage(def comment){
    // List of possible regex paterns
    def patternList = [
        /<p><!-- inline image filename=#(.*?)#<\/a> --><\/p>/,
        /(?s)<!-- inline image filename=(.*?)-->/ ,
        /<p><!-- inline image filename=#(.*?)#<\/a> --><\/p>/,
        /filename=#(.+?)# -->/
    ]

    def pattern = null
    def matcher = null
    patternList.each{ p ->
        matcher = comment =~ p
        if(matcher.find()){
            matcher = comment =~ p
        }
    }

    def inlineImage = ""

    if (matcher.find()) {
        def match = matcher[0]
        def attId = replica.attachments.find { it.filename?.equals(match[1]) }?.remoteId
        inlineImage = comment.replace(match[0], """<img src="/secure/attachment/${attId}/${attId}_${match[1]}" />""".toString())
    }else{
        return comment 
    }
    inlineImage = inlineImage.replaceAll("<!-- inline image", "").replaceAll("<!-- inline image", "")
    return inlineImage
}

workItem.comments     = commentHelper.mergeComments(workItem, replica, {
    comment ->
    comment.body = setInlineImage(comment.body) 
})