def fromSecret(name):
  return {
    "from_secret": name
  } 
def environment(env):
  return dict(
    [(x.replace("-", "_").upper(), fromSecret(x)) for x in env]
  )
def map(fn, l):
  return [fn(x) for x in l]
def echo(secret):
  return "echo {secret}=${environment} >> env-stack".format(secret = secret, environment = secret.replace("-", "_").upper())
def export(secret):
  return "echo {toCaps}=${toCaps} >> env-stack".format(toCaps = secret.replace("-", "_").upper())
def printSecrets(env): 
  
  return {
    "name": "print secrets",
    "image": "appleboy/drone-ssh",
    "environment": environment(env),
    "settings": {
      "envs": [x.replace("-", "_") for x in env ],
      "host": fromSecret("ssh-host"),
      "port": fromSecret("ssh-port"),
      "username": fromSecret("ssh-user"),
      "password": fromSecret("ssh-password"),
      "script": [
        "rm -f env-stack",
      ] + map(echo, env)
    }
  }
def wait(delay, name): 
  return {
    "name": name,
    "image": "alpine",
    "commands": [
      "sleep {delay}".format(delay = delay),
    ],
  }
def build(name):
  return {
    "name": "build-{name}".format(name=name),
    "image": "docker:dind",
    "volumes": [
      {
        "name": "dockersock",
        "path": "/var/run",
      },
    ],
    "environment": environment([
      "local-docker-registry",
    ]),
    "commands": [
      "cd {name}".format(name=name),
      "docker build . -t $${{LOCAL_DOCKER_REGISTRY}}{name}".format(name=name),
      "docker push $${{LOCAL_DOCKER_REGISTRY}}{name}".format(name=name),
    ],
  }
def buildHome():
  return {
    "name": "build-nginx-home",
    "image": "docker:dind",
    "volumes": [
      {
        "name": "dockersock",
        "path": "/var/run",
      },
    ],
    "environment": environment([
      "local-docker-registry",
    ]),
    "commands": [
      "cd letsencrypt-nginx",
      "sh build.home.sh $${{LOCAL_DOCKER_REGISTRY}}".format(),
    ],
  }

def buildNginx(name):
  return {
    "name": "build-nginx-{name}".format(name=name),
    "image": "docker:dind",
    "volumes": [
      {
        "name": "dockersock",
        "path": "/var/run",
      },
    ],
    "environment": environment([
      "local-docker-registry",
    ]),
    "commands": [
      "cd letsencrypt-nginx",
      "sh build.sh {name} $${{LOCAL_DOCKER_REGISTRY}}".format(name = name),
    ],
  }

def scp(target):
  return {
    "name": "scp files",
    "image": "appleboy/drone-scp",
    "settings": {
      "host": {
        "from_secret": "ssh-host",
      },
      "username": {
        "from_secret": "ssh-user",
      },
      "password": {
        "from_secret": "ssh-password",
      },
      "port": {
        "from_secret": "ssh-port",
      },
      "command_timeout": "2m",
      "target": target,
      "source": [
        ".",
      ],
    },
  }
def deploy(): 
  secrets = [
    "drone-rpc-secret",
    "drone-gitea-client-id",
    "drone-gitea-client-secret",
    "drone-gitea-server",
    "drone-convert-secret",
    "ssh-user",
    "local-docker-registry",
    "certbot-email",
    "git-domain",
    "drone-domain",
    "chat-domain",
    "remote-domain",
    "blog-domain",
  ]
  return {
    "name": "deploy",
    "image": "appleboy/drone-ssh",
    "environment": environment(secrets),
    "settings": {
      "envs": [x.replace("-", "_") for x in secrets ],
      "host": fromSecret("ssh-host"),
      "port": fromSecret("ssh-port"),
      "username": fromSecret("ssh-root-user"),
      "password": fromSecret("ssh-root-password"),
      "script": [
        "set -e"
      ] + map(export, secrets) + [
        "docker pull $${LOCAL_DOCKER_REGISTRY}letsencrypt-git",
        "docker pull $${LOCAL_DOCKER_REGISTRY}nginx-home1",
        "docker pull $${LOCAL_DOCKER_REGISTRY}letsencrypt-chat",
        "docker pull $${LOCAL_DOCKER_REGISTRY}letsencrypt-remote",
        "docker pull $${LOCAL_DOCKER_REGISTRY}letsencrypt-blog",
        "docker pull $${LOCAL_DOCKER_REGISTRY}letsencrypt-drone",
        "docker network prune -f",
        "cd /home/$SSH_USER/gitea-drone-stack",
        #"docker stack rm gitea",
        "sleep 60",
        #"docker stack deploy -c docker-compose-home.yml gitea",
      ]
    }
  }
def steps(name, dependsOn):
  return {
    "kind": "pipeline",
    "name": name,
    "depends_on": dependsOn,
    "steps": [
      printSecrets([
        "local-docker-registry",
        "ssh-host",
        "ssh-user",
        "ssh-port",
      ]),
      #wait(15, "wait"),
      #build("guacamole-postgresql"),
      #build("ngrok-gitea"),
      #build("letsencrypt-nginx"),
      #buildHome(),
      #buildNginx("blog"),
      #buildNginx("drone"),
      #buildNginx("git"),
      #buildNginx("remote"),
      #buildNginx("chat"),
      #scp("~/gitea-drone-stack"),
      deploy(),
    ],
    "services": [
      {
        "name": "docker",
        "image": "docker:dind",
        "privileged": True,
        "volumes": [
          {
            "name": "dockersock",
            "path": "/var/run",
          },
          {
            "name": "ca",
            "path": "/etc/docker/certs.d",
          },
        ],
      }
    ],
    "volumes": [
      {
        "name": "dockersock",
        "temp": {},
      },
      {
        "name": "ca",
        "host": {
          "path": "/home/giles/gitea-drone-stack/.ca",
        },
      },
    ],
  }

def main(ctx):
  return [
    steps('first', []),
  ]