use Minex

set(:name, "<%= app %>")
set(:host, "user@1.2.3.4")
set(:deploy_to, "/apps/#{get(:name)}")

Code.require_file("deploy/tasks.exs", Path.dirname(__ENV__.file))

# Build locally (only works if on the same target triplet)
public_task(:build, fn ->
  command("MIX_ENV=prod mix release")
  command("tar -czf release.tar.gz -C _build/prod/rel/#{get(:name)}/ .")
end)

## Build in docker, create a config/deploy/Dockerfile that creates a "/release.tar.gz"
# public_task(:build, fn ->
#   command("docker container rm dummy", allow_fail: true)
#   command("docker build -f config/deploy/Dockerfile  -t #{get(:name)} .")
#   command("docker create -ti --name dummy #{get(:name)}:latest bash")
#   command("docker cp dummy:/release.tar.gz release.tar.gz")
# end)

# Before you run this, make sure the base dir (/apps) exists and is
# writable by the user that deploys
public_task(:setup, fn ->
  run(:remote, fn ->
    command("mkdir -p #{get(:deploy_to)}")
  end)
end)

public_task(:deploy, fn ->
  run(:build)

  run(:upload, ["release.tar.gz", "#{get(:deploy_to)}/release.tar.gz"])

  run(:remote, fn ->
    command("cd #{get(:deploy_to)}")
    command("set -x")
    # release bin commands seem to 'exit' if they fail, so wrap it in a subshell (parentheses)
    # otherwise it won't continue
    command("( [ -d \"bin\" ] && ./bin/#{get(:name)} stop || true )")
    command("tar -zxf release.tar.gz -C .")
    command("./bin/#{get(:name)} daemon")
  end)
end)

Minex.run(System.argv())