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(x):
  return "echo {secret}=${environment} >> env-stack".format(secret = x, environment = x.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 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"),
      {
        "name": "build",
        "image": "alpine",
        "commands": [
            "echo hello 'star lark'",
        ],
      },
    ],
  }

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