package install

import (
    "fmt"
    "os"
    "sync"

    log "oc-deploy/log_wrapper"
    "oc-deploy/versionOc"
    "oc-deploy/tool"
    "oc-deploy/chart"
    "oc-deploy/helm"
)

func (this *InstallClass) NewUninstall() (string, error) {
   dst := fmt.Sprintf("%s/oc.yml", this.Workspace)

   if _, err := os.Stat(dst); err != nil {
       return dst, err
   }

   version, err := versionOc.GetFromFile(dst)
   if err != nil {
       return "", err
   }

   this.Version = version

   // Lecture du fichier de conf
   this.tools, err = tool.FromConfigFile(dst)
   if err != nil {
       return dst, err
   }
   this.charts, _ = chart.FromConfigFile(dst)
   if err != nil {
       return dst, err
   }

   return dst, nil
}

func (this *InstallClass) UninstallCharts() (error) {
    helm_bin, _ := this.getToolBin("helm")
    kubectl_bin, _ := this.getToolBin("kubectl")

    var wg sync.WaitGroup

    for _, v := range this.charts {
        for _, v1 := range v.Charts {
            wg.Add(1)

            go func() {
                defer wg.Done()
                this.uninstallChart(helm_bin, kubectl_bin, v1)
            } ()
        }
    }
    wg.Wait()
    return nil
}

func (this *InstallClass) uninstallChart(helm_bin string, kubectl_bin string, chart chart.ChartData) {

    log.Log().Info().Msg(fmt.Sprintf("  << Chart     : %s ", chart.Name))

    helmchart := helm.HelmChart{Bin: helm_bin,
                                Name: chart.Name}

    res, err := helmchart.Uninstall()
    if err != nil {
        log.Log().Error().Msg(fmt.Sprintf("  >>              %s %s (%s)", helmchart.Name, "KO", err))
        return
    }
    log.Log().Info().Msg(fmt.Sprintf("  >>             %s (%s)", helmchart.Name, res))
}