releasecalculator

pipeline {
    agent any

    stages {
        stage('Calculate Next Version') {
            steps {
                script {
                    def apiUrl = 'https://api.github.com/repos/OWNER/REPO/releases'
                    def existingVersions = sh(script: "curl -s -H 'Authorization: token ${env.GITHUB_TOKEN}' ${apiUrl} | jq -r '.[].tag_name'", returnStdout: true).trim().split('\n')
                    def fullReleaseVersions = existingVersions.findAll { !it.contains('-') } // Find full release versions
                    def preReleaseVersions = existingVersions.findAll { it.contains('-') } // Find pre-release versions

                    def latestFullRelease = fullReleaseVersions.max { a, b -> a.tokenize('.').collect { it.toInteger() } <=> b.tokenize('.').collect { it.toInteger() } }
                    def latestPreRelease = preReleaseVersions.max { a, b -> a.tokenize('.').collect { it.toInteger() } <=> b.tokenize('.').collect { it.toInteger() } }

                    if (latestFullRelease) {
                        echo "Latest full release version: ${latestFullRelease}"
                        
                        def versionParts = latestFullRelease.tokenize('.')
                        def major = versionParts[0].toInteger()
                        def minor = versionParts[1].toInteger()
                        def patch = versionParts[2].toInteger()

                        minor++ // Increment the minor version

                        def nextVersion = "${major}.${minor}.${patch}"
                        echo "Next semantic version: ${nextVersion}"
                    } else {
                        error "No existing full release versions found."
                    }

                    if (latestPreRelease) {
                        echo "Latest pre-release version: ${latestPreRelease}"
                    } else {
                        echo "No existing pre-release versions found."
                    }
                }
            }
        }
    }
}