import org.jenkinsci.plugins.pipeline.modeldefinition.Utils

void call(Map options = [:]) {
    Map hooks = options.get('hooks', [
        'pre': null,
        'post-success': null,
        'post-always': null,
        'post-failure': null,
    ])
    String testTask = options.get('testTask', 'test')
    String buildTask = options.get('buildTask', 'build')
    String releaseTask = options.get('releaseTask', 'release')
    String jobHistory = options.get('jobHistory', '10')

    String baseImage = options.get('baseImage', 'reg.cadoles.com/proxy_cache/library/ubuntu:22.04')
    String baseDockerfile = options.get('baseDockerfile', '')
    String dockerfileExtension = options.get('dockerfileExtension', '')

    List<String> releaseBranches = options.get('releaseBranches', ['develop', 'testing', 'stable'])

    node {
        properties([
            buildDiscarder(logRotator(daysToKeepStr: jobHistory, numToKeepStr: jobHistory)),
        ])

        stage('Cancel older jobs') {
            int buildNumber = env.BUILD_NUMBER as int
            if (buildNumber > 1) {
                milestone(buildNumber - 1)
            }

            milestone(buildNumber)
        }

        stage('Checkout project') {
            checkout(scm)
        }

        stage('Run in container') {
            try {
                def containerImage = buildContainerImage(baseImage, baseDockerfile, dockerfileExtension)
                containerImage.inside('-v /var/run/docker.sock:/var/run/docker.sock') {
                    String repo = env.JOB_NAME
                    if (env.BRANCH_NAME ==~ /^PR-.*$/) {
                        repo = env.JOB_NAME - "/${env.JOB_BASE_NAME}"
                    }

                    stage('Run pre hooks') {
                        runHook(hooks, 'pre')
                    }

                    stage('Run tests') {
                        catchError(buildResult: 'UNSTABLE', stageResult: 'FAILURE') {
                            def ( status, output ) = runTask('testTask', testTask)

                            if (!!output.trim()) {
                                if (env.CHANGE_ID) {
                                    gitea.commentPullRequest(repo, env.CHANGE_ID, "# Test report\n\n ${output}")
                                } else {
                                    print output
                                }
                            }

                            if (status != 0) {
                                throw new Exception('Task failed !')
                            }
                        }
                    }

                    stage('Build project') {
                        def ( status ) = runTask('buildTask', buildTask)
                        if (status != 0) {
                            throw new Exception('Task failed !')
                        }
                    }

                    stage('Release project') {
                        if (releaseBranches.contains(env.BRANCH_NAME)) {
                            def ( status ) = runTask('releaseTask', releaseTask)
                            if (status != 0) {
                                throw new Exception('Task failed !')
                            }
                        } else {
                            println("Current branch '${env.BRANCH_NAME}' not in releases branches (${releaseBranches}). Skipping.")
                            Utils.markStageSkippedForConditional('Release project')
                        }
                    }
                }
            } catch(Exception ex) {
                runHook(hooks, 'post-failure', [ex])
                throw ex
            } finally {
                runHook(hooks, 'post-always')
                cleanWs()
            }

            runHook(hooks, 'post-success')
        }
    }
}

void buildContainerImage(String baseImage, String baseDockerfile, String dockerfileExtension) {
    String imageName = 'cadoles-standard-make-ci'
    dir(".${imageName}") {
        String dockerfile = ''

        if (baseDockerfile) {
            dockerfile = baseDockerfile
        } else {
            dockerfile = libraryResource 'com/cadoles/standard-make/Dockerfile'
            dockerfile = "FROM ${baseImage}\n" + dockerfile
        }

        dockerfile = """
        ${dockerfile}
        ${dockerfileExtension}
        """

        writeFile file:'Dockerfile', text: dockerfile

        String addLetsEncryptCA = libraryResource 'com/cadoles/common/add-letsencrypt-ca.sh'
        writeFile file:'add-letsencrypt-ca.sh', text:addLetsEncryptCA

        String safeJobName = URLDecoder.decode(env.JOB_NAME).toLowerCase().replace('/', '-').replace(' ', '-')
        String imageTag = "${safeJobName}-${env.BUILD_ID}"

        return docker.build("${imageName}:${imageTag}", '.')
    }
}

void runHook(Map hooks, String name, List args = []) {
    if (!hooks[name]) {
        println("No hook '${name}' defined. Skipping.")
        return
    }

    if (hooks[name] instanceof Closure) {
        hooks[name](*args)
    } else {
        error("Hook '${name}' seems to be defined but is not a closure !")
    }
}

List runTask(String name, task) {
    if (!task) {
        println("No task '${name}' defined. Skipping.")
        return [ -1, '' ]
    }

    String outputFile = ".${name}-output"
    int status = sh(script: """#!/bin/bash
    set -eo pipefail
    make ${task} 2>&1 | tee '${outputFile}'
    """, returnStatus: true)

    String output = readFile(outputFile)

    sh(script: "rm -f '${outputFile}'")

    return [status, output]
}