pipeline {
    agent any   // jenkins.xuqinmin.com (Windows)

    parameters {
        booleanParam(name: 'SNAPSHOT', defaultValue: true,
            description: '勾选=SNAPSHOT（推送 main，不升版本，不打 tag）；不勾选=正式 Release（升版本、打 tag、创建 Gitea Release）')
        choice(name: 'VERSION_BUMP', choices: ['patch', 'minor', 'major'],
               description: '版本升级策略（Release 时有效）: patch 1.0.0→1.0.1 / minor 1.0.0→1.1.0 / major 1.0.0→2.0.0')
        booleanParam(name: 'MOD_CORE',       defaultValue: false, description: '本次包含 XuqmCoreSDK 改动')
        booleanParam(name: 'MOD_IM',         defaultValue: false, description: '本次包含 XuqmImSDK 改动')
        booleanParam(name: 'MOD_PUSH',       defaultValue: false, description: '本次包含 XuqmPushSDK 改动')
        booleanParam(name: 'MOD_UPDATE',     defaultValue: false, description: '本次包含 XuqmUpdateSDK 改动')
        booleanParam(name: 'MOD_FILE',       defaultValue: false, description: '本次包含 XuqmFileSDK 改动')
        booleanParam(name: 'MOD_WEBVIEW',    defaultValue: false, description: '本次包含 XuqmWebViewSDK 改动')
        booleanParam(name: 'MOD_BUGCOLLECT', defaultValue: false, description: '本次包含 XuqmBugCollectSDK 改动')
    }

    environment {
        GITEA_REPO_URL  = 'https://xuqinmin.com/xuqmGroup/XuqmGroup-iOSSDK.git'
        GITEA_REPO_PATH = 'xuqmGroup/XuqmGroup-iOSSDK'
        GITEA_API_BASE  = 'https://xuqinmin.com/api/v1'
    }

    options {
        disableConcurrentBuilds()
        buildDiscarder(logRotator(numToKeepStr: '20'))
    }

    stages {

        // ─────────────────────────────────────────────────────────────────────
        stage('Checkout') {
            steps {
                checkout scm
                bat 'git config user.email "jenkins@xuqm.com"'
                bat 'git config user.name "Jenkins CI"'
                script {
                    def moduleChecks = [
                        'XuqmCoreSDK':       params.MOD_CORE,
                        'XuqmImSDK':         params.MOD_IM,
                        'XuqmPushSDK':       params.MOD_PUSH,
                        'XuqmUpdateSDK':     params.MOD_UPDATE,
                        'XuqmFileSDK':       params.MOD_FILE,
                        'XuqmWebViewSDK':    params.MOD_WEBVIEW,
                        'XuqmBugCollectSDK': params.MOD_BUGCOLLECT,
                    ]
                    def changed = moduleChecks.findAll { k, v -> v }.collect { k, v -> k }
                    if (changed.isEmpty()) {
                        error('没有勾选任何模块，请至少标记一个有改动的模块')
                    }
                    env.CHANGED_MODULES = changed.join(', ')
                    echo "改动模块: ${env.CHANGED_MODULES}"
                }
            }
        }

        // ─────────────────────────────────────────────────────────────────────
        stage('Resolve Version') {
            steps {
                script {
                    def propsText = readFile('version.properties')
                    def match = (propsText =~ /SDK_VERSION=(\d+)\.(\d+)\.(\d+)/)
                    if (!match) error('version.properties 中找不到 SDK_VERSION=x.y.z')
                    def major = match[0][1] as int
                    def minor = match[0][2] as int
                    def patch = match[0][3] as int

                    if (params.SNAPSHOT) {
                        env.PUBLISH_VERSION = "${major}.${minor}.${patch}-SNAPSHOT"
                        env.RELEASE_TAG     = ''
                        echo "SNAPSHOT 模式 — 标记版本: ${env.PUBLISH_VERSION}"
                    } else {
                        switch (params.VERSION_BUMP) {
                            case 'major': major++; minor = 0; patch = 0; break
                            case 'minor': minor++; patch = 0;             break
                            default:      patch++;                         break
                        }
                        env.RELEASE_TAG     = "${major}.${minor}.${patch}"
                        env.PUBLISH_VERSION = env.RELEASE_TAG
                        def newProps = propsText.replaceAll(/SDK_VERSION=\d+\.\d+\.\d+/, "SDK_VERSION=${env.RELEASE_TAG}")
                        writeFile file: 'version.properties', text: newProps
                        echo "Release 模式 — 版本升级至 ${env.RELEASE_TAG}"
                    }
                    currentBuild.description = "${params.SNAPSHOT ? 'SNAPSHOT' : 'Release'} ${env.PUBLISH_VERSION} [${env.CHANGED_MODULES}]"
                }
            }
        }

        // ─────────────────────────────────────────────────────────────────────
        // SNAPSHOT：只推代码到 main，不改版本文件，不打 tag
        stage('SNAPSHOT: Push main') {
            when { expression { params.SNAPSHOT } }
            steps {
                script {
                    withCredentials([sshUserPrivateKey(credentialsId: 'jenkins-ssh-key', keyFileVariable: 'GIT_SSH_KEY')]) {
                        writeFile file: 'git-ssh.cmd', text: '@echo off\r\nssh -i "%GIT_SSH_KEY%" -o IdentitiesOnly=yes %*\r\n', encoding: 'UTF-8'
                        try {
                            withEnv(["GIT_SSH=${pwd()}\\git-ssh.cmd"]) {
                                bat "git push origin HEAD:main"
                            }
                        } finally {
                            bat 'if exist git-ssh.cmd del /f /q git-ssh.cmd'
                        }
                    }
                }
                echo "SNAPSHOT 已推送到 main 分支"
                echo "应用端 project.yml 保持 branch: main 即可自动获取最新代码"
            }
        }

        // ─────────────────────────────────────────────────────────────────────
        // Release：commit version.properties → 打 tag → 推送 commit + tag
        stage('Release: Commit & Tag') {
            when { expression { !params.SNAPSHOT } }
            steps {
                bat "git add version.properties"
                bat """git commit -m "ci: release %RELEASE_TAG% [%CHANGED_MODULES%]" """
                bat "git tag %RELEASE_TAG%"
                script {
                    withCredentials([sshUserPrivateKey(credentialsId: 'jenkins-ssh-key', keyFileVariable: 'GIT_SSH_KEY')]) {
                        writeFile file: 'git-ssh.cmd', text: '@echo off\r\nssh -i "%GIT_SSH_KEY%" -o IdentitiesOnly=yes %*\r\n', encoding: 'UTF-8'
                        try {
                            withEnv(["GIT_SSH=${pwd()}\\git-ssh.cmd"]) {
                                bat "git push origin HEAD:main"
                                bat "git push origin %RELEASE_TAG%"
                            }
                        } finally {
                            bat 'if exist git-ssh.cmd del /f /q git-ssh.cmd'
                        }
                    }
                }
            }
        }

        // ─────────────────────────────────────────────────────────────────────
        // Release：在 Gitea 创建 Release 记录
        stage('Release: Gitea Release') {
            when { expression { !params.SNAPSHOT } }
            steps {
                script {
                    def moduleList = env.CHANGED_MODULES.split(', ').collect { "- ${it}" }.join('\\n')
                    def bodyEscaped = "## 改动模块\\n${moduleList}\\n\\n## 集成方式\\n```yaml\\npackages:\\n  XuqmGroupSDK:\\n    url: ${env.GITEA_REPO_URL}\\n    from: \\\"${env.RELEASE_TAG}\\\"\\n```"
                    def json = """{"tag_name":"${env.RELEASE_TAG}","name":"${env.RELEASE_TAG}","body":"${bodyEscaped}","draft":false,"prerelease":false}"""
                    writeFile file: 'release_payload.json', text: json

                    withCredentials([usernamePassword(
                        credentialsId: 'gitea-access-token',
                        usernameVariable: 'GITEA_USER',
                        passwordVariable: 'TOKEN'
                    )]) {
                        bat """curl -sf -X POST "${env.GITEA_API_BASE}/repos/${env.GITEA_REPO_PATH}/releases" -H "Authorization: token %TOKEN%" -H "Content-Type: application/json" -d @release_payload.json"""
                    }
                    bat 'del release_payload.json'
                    echo "Gitea Release ${env.RELEASE_TAG} 创建完成"
                }
            }
        }
    }

    post {
        success {
            script {
                if (params.SNAPSHOT) {
                    echo "SNAPSHOT ${env.PUBLISH_VERSION} 推送成功 — 改动模块: ${env.CHANGED_MODULES}"
                } else {
                    echo "Release ${env.RELEASE_TAG} 发布成功 — 改动模块: ${env.CHANGED_MODULES}"
                    echo "应用端 project.yml 更新: from: \"${env.RELEASE_TAG}\""
                }
            }
        }
        failure {
            echo "发布失败，请检查日志"
        }
    }
}