confluence2

def fileToUpload = "<path_to_html_file>"
def confluenceUrl = "<confluence_url>"
def confluenceUsername = "<confluence_username>"
def confluenceCredentialsId = "<confluence_credentials_id>"
def parentPageId = "<parent_page_id>"
def childPageTitle = "<child_page_title>"

def credentials = com.cloudbees.plugins.credentials.CredentialsProvider.lookupCredentials(
    com.cloudbees.plugins.credentials.common.UsernamePasswordCredentials.class,
    Jenkins.instance
)

def confluenceCredentials = credentials.find { it.id == confluenceCredentialsId }

if (confluenceCredentials == null) {
    throw new IllegalArgumentException("Confluence credentials with ID '${confluenceCredentialsId}' not found.")
}

def username = confluenceCredentials.username
def password = confluenceCredentials.password.getPlainText()

def existingChildPageId = null
def existingChildPageVersion = 0

// Check if a child page with the same title already exists
def existingChildPageUrl = "${confluenceUrl}/rest/api/content/${parentPageId}/child/page?title=${childPageTitle}"
def existingChildPageCmd = "curl -u ${username}:${password} ${existingChildPageUrl}"
def existingChildPageProcess = existingChildPageCmd.execute()
existingChildPageProcess.waitFor()

if (existingChildPageProcess.exitValue() == 0) {
    def existingChildPageJson = new groovy.json.JsonSlurper().parseText(existingChildPageProcess.in.text)
    if (existingChildPageJson.size() > 0) {
        existingChildPageId = existingChildPageJson.results[0].id
        existingChildPageVersion = existingChildPageJson.results[0].version.number
    }
}

def uploadUrl = existingChildPageId ? "${confluenceUrl}/rest/api/content/${existingChildPageId}" : "${confluenceUrl}/rest/api/content/${parentPageId}/child/page"
def uploadMethod = existingChildPageId ? "PUT" : "POST"

def fileContent = new File(fileToUpload).text

def uploadCmd = "curl -u ${username}:${password} -X ${uploadMethod} -H 'Content-Type: application/json' -d '{\"version\":{\"number\":${existingChildPageVersion + 1}},\"title\":\"${childPageTitle}\",\"type\":\"page\",\"body\":{\"storage\":{\"value\":\"<ac:structured-macro ac:name=\\\"html\\\"><ac:plain-text-body><![CDATA[${fileContent}]]></ac:plain-text-body></ac:structured-macro>\",\"representation\":\"storage\"}}}' ${uploadUrl}"
def uploadProcess = uploadCmd.execute()
uploadProcess.waitFor()

if (uploadProcess.exitValue() == 0) {
    println "HTML file uploaded successfully!"
} else {
    println "Failed to upload HTML file. Error: ${uploadProcess.err.text}"
}