import json
import argparse
import vm
import sys
import jinja2
import icinga
import backup
import nginx
import pyansible

MASTER_ADDRESS = "atlantishq.de"

if __name__ == "__main__":

    parser = argparse.ArgumentParser(description='AtlantisHQ VM Management Script',
                                        formatter_class=argparse.ArgumentDefaultsHelpFormatter)

    parser.add_argument("--backup",          action="store_const", default=False, const=True)
    parser.add_argument("--skip-ansible",    action="store_const", default=True, const=False)
    parser.add_argument("--skip-nginx",      action="store_const", default=True, const=False)
    parser.add_argument("--skip-icinga",     action="store_const", default=True, const=False)
    parser.add_argument("--skip-ssh-config", action="store_const", default=True, const=False)
    args = parser.parse_args()

    FILE = "./config/vms.json"
    vmList = []
    with open(FILE) as f:
        jsonList = json.load(f)
        for obj in jsonList:
            try:
                vmo = vm.VM(obj)
                vmList.append(vmo)
            except ValueError as e:
                print(e, file=sys.stderr)
       
        # dump nginx config #
        if args.skip_nginx:
            nginx.dump_config(vmList, MASTER_ADDRESS)

        # dump icinga master
        if args.skip_icinga:
            icinga.createMasterHostConfig(vmList)

        # dump ansible
        if args.skip_ansible:
            pyansible.dump_config(vmList)

        # dump direct connect ssh-config
        if args.skip_ssh_config:
            with open("./ssh_config_for_clients", "w") as f:
                for vmo in filter(lambda x: x.sshOutsidePort, set(vmList)):
                    f.write("Host {}\n".format(vmo.hostname + "." + MASTER_ADDRESS))
                    f.write("    Port {}\n".format(vmo.sshOutsidePort))
                    f.write("    User root\n")
                    f.write("\n")

        # backup #
        if args.backup:
            with open("./config/backup.json") as f:
                backup.createBackupScriptStructure(json.load(f), baseDomain=MASTER_ADDRESS)