// Copyright 2018 Felix Kronlage <fkr@hazardous.org>

package main

import (
	"context"
	"fmt"
)

type ServersStatusCommand struct {
	Comparator string `short:"c" long:"comp" description:"value to compare with" required:"no"`
	Max        int    `short:"n" long:"max" description:"max value" required:"no"`
	Min        int    `short:"m" long:"min" description:"minimal value" required:"no"`
	Relation   string `short:"r" long:"relation" description:"relation uuid to check" required:"no"`
	ServerUUID string `short:"u" long:"uuid" description:"uuid of server to check" required:"yes"`
	Status     string `short:"s" long:"status" description:"value of status to compare against" choice:"active" choice:"deleted" required:"no"`
	Type       string `short:"t" long:"type" description:"type to check for state" required:"yes"`
}

var serversStatusCommand ServersStatusCommand

func (x *ServersStatusCommand) Execute(args []string) error {

	config(Checker.ConfigFile)
	ctx := context.Background()

	if x.Type == "server.status" {

		server, err := Config.Client.GetServer(ctx, x.ServerUUID)
		if err != nil {
			Unknown(fmt.Sprintf("%s: %s", "Error retrieving server", err))
		}

		if server.Properties.Status != x.Status {
			Critical(fmt.Sprintf("Server state critical - State required: '%s' - State found: '%s'", x.Status, server.Properties.Status))
		}

		Ok(fmt.Sprintf("State required: '%s' - State found: '%s'", x.Status, server.Properties.Status))
	}

	if x.Type == "firewall.template" {

		publicNet, err := Config.Client.GetNetworkPublic(ctx)
		if err != nil {
			Unknown(fmt.Sprintf("%s: %s", "Error retrieving public network", err))
		}

		networkRel, err := Config.Client.GetServerNetwork(ctx, x.ServerUUID, publicNet.Properties.ObjectUUID)

		if networkRel.FirewallTemplateUUID == x.Relation {
			Ok(fmt.Sprintf("Expected firewall template '%s' is active", networkRel.FirewallTemplateUUID))
		}

		Critical(fmt.Sprintf("Expected firewall template '%s' is NOT active!", x.Relation))
	}

	if x.Type == "server.cores" {
		server, err := Config.Client.GetServer(ctx, x.ServerUUID)

		if err != nil {
			Unknown(fmt.Sprintf("%s: %s", "Error retrieving server", err))
		}

		if x.Max == 0 {
			if server.Properties.Cores >= x.Min {
				Ok(fmt.Sprintf("Expected amount (%d <= %d) of cores assigned: %d", x.Min, server.Properties.Cores, server.Properties.Cores))
			}
		} else {
			if server.Properties.Cores >= x.Min && server.Properties.Cores <= x.Max {
				Ok(fmt.Sprintf("Expected amount (%d <= %d <= %d) of cores assigned: %d", x.Min, server.Properties.Cores, x.Max, server.Properties.Cores))
			}
		}

		Critical(fmt.Sprintf("Expect amount (%d <= %d <= %d) of cores NOT assigned: %d", x.Min, server.Properties.Cores, x.Max, server.Properties.Cores))
	}

	if x.Type == "server.memory" {
		server, err := Config.Client.GetServer(ctx, x.ServerUUID)

		if err != nil {
			Unknown(fmt.Sprintf("%s: %s", "Error retrieving server", err))
		}

		if x.Max == 0 {
			if server.Properties.Memory >= x.Min {
				Ok(fmt.Sprintf("Expected amount (%d <= %d) of memory assigned: %d", x.Min, server.Properties.Memory, server.Properties.Memory))
			}
		} else {
			if server.Properties.Memory >= x.Min && server.Properties.Memory <= x.Max {
				Ok(fmt.Sprintf("Expected amount (%d <= %d <= %d) of memory assigned: %d", x.Min, server.Properties.Memory, x.Max, server.Properties.Memory))
			}
		}

		Critical(fmt.Sprintf("Expect amount (%d <= %d <= %d) of memory NOT assigned: %d", x.Min, server.Properties.Memory, x.Max, server.Properties.Memory))
	}

	if x.Type == "ip.assigned" {
		ipRel, err := Config.Client.GetServerIPList(ctx, x.ServerUUID)
		if err != nil {
			Unknown(fmt.Sprintf("%s: %s", "Error retrieving server", err))
		}

		for _, ipRelation := range ipRel {
			if ipRelation.IP == x.Comparator || ipRelation.ObjectUUID == x.Relation {
				Ok(fmt.Sprintf("Expected ip '%s' is assigned", ipRelation.IP))
			}
		}

		Critical("Expected ip is NOT assigned!")

	}

	// never reached
	return nil
}

func init() {
}