import groovy.json.JsonOutput

def call(Map config=[:]) {
    
    def status = 'STARTED'
    if (config.status) {
        status = "${config.status}"
    }
    def emoji = ''

    switch(status) {
        case 'STARTED':
            emoji = ':checkered_flag: '
            break
        case 'SUCCESSFUL':
            emoji = ':circleacceptgreenmark: '
            break
        case 'ABORT':
            emoji = ':large_blue_circle: '
            break
        case 'FAILURE':
            emoji = ':circledenyredmark: '
            break
        default:
            emoji = ''
        break
    }

    def attachment = [
        fallback: "You have new message Mattermost"
    ]

    if (config.text) {
        attachment["text"] = "${config.text}"
    } else if (config.message) {
        attachment["text"] = "${config.message}"
    } else {
        attachment["text"] = ""
    }

    def pretext = ""
    if (config.pretext) {
        pretext = "${config.pretext}"
    } else {
        pretext = emoji + "Job [${env.JOB_NAME} #${env.BUILD_NUMBER}](${env.BUILD_URL})"
    }
    attachment["pretext"] = "${pretext}"
    if (config.color) {
        attachment["color"] = "${config.color}"
    }
    if (config.title) {
        attachment["title"] = "${config.title}"
    }
    if (config.footer) {
        attachment["footer"] = "${config.footer}"
    }

    def channel = 'status'
    if (config.channel) {
        channel = config.channel
    }

    def username = 'Jenkins'
    if (config.username) {
        username = config.username
    }

    def data = [
        channel: "${channel}",
        username: "${username}",
        attachments: [attachment]
    ]

    
    def json = JsonOutput.toJson(data)
    
    httpRequest (
        customHeaders: [[name: 'User-Agent', value: 'Jenkins']],
        url: "${config.endpoint}",
        contentType: 'APPLICATION_JSON',
        httpMode: 'POST', consoleLogResponseBody: true,
        requestBody: json,
        validResponseCodes: "100:599"
    )
}