#!/usr/bin/env bats
load test_helper

setup() {
  dokku "$PLUGIN_COMMAND_PREFIX:create" l
  dokku "$PLUGIN_COMMAND_PREFIX:create" m
  dokku apps:create my-app
}

teardown() {
  dokku --force "$PLUGIN_COMMAND_PREFIX:destroy" m
  dokku --force "$PLUGIN_COMMAND_PREFIX:destroy" l
  dokku --force apps:destroy my-app
}

@test "($PLUGIN_COMMAND_PREFIX:link) error when there are no arguments" {
  run dokku "$PLUGIN_COMMAND_PREFIX:link"
  echo "output: $output"
  echo "status: $status"
  assert_contains "${lines[*]}" "Please specify a valid name for the service"
  assert_failure
}

@test "($PLUGIN_COMMAND_PREFIX:link) error when the app argument is missing" {
  run dokku "$PLUGIN_COMMAND_PREFIX:link" l
  echo "output: $output"
  echo "status: $status"
  assert_contains "${lines[*]}" "Please specify an app to run the command on"
  assert_failure
}

@test "($PLUGIN_COMMAND_PREFIX:link) error when the app does not exist" {
  run dokku "$PLUGIN_COMMAND_PREFIX:link" l not_existing_app
  echo "output: $output"
  echo "status: $status"
  assert_contains "${lines[*]}" "App not_existing_app does not exist"
  assert_failure
}

@test "($PLUGIN_COMMAND_PREFIX:link) error when the service does not exist" {
  run dokku "$PLUGIN_COMMAND_PREFIX:link" not_existing_service my-app
  echo "output: $output"
  echo "status: $status"
  assert_contains "${lines[*]}" "service not_existing_service does not exist"
  assert_failure
}

@test "($PLUGIN_COMMAND_PREFIX:link) error when the service is already linked to app" {
  dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app
  run dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app
  echo "output: $output"
  echo "status: $status"
  assert_contains "${lines[*]}" "Already linked as DATABASE_URL"
  assert_failure

  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my-app
}

@test "($PLUGIN_COMMAND_PREFIX:link) exports DATABASE_URL to app" {
  run dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app
  echo "output: $output"
  echo "status: $status"
  url=$(dokku config:get my-app DATABASE_URL)
  password="$(sudo cat "$PLUGIN_DATA_ROOT/l/PASSWORD")"
  assert_contains "$url" "postgres://postgres:$password@dokku-postgres-l:5432/l"
  assert_success
  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my-app
}

@test "($PLUGIN_COMMAND_PREFIX:link) generates an alternate config url when DATABASE_URL already in use" {
  dokku config:set my-app DATABASE_URL=postgres://user:pass@host:5432/db
  dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app
  run dokku config my-app
  assert_contains "${lines[*]}" "DOKKU_POSTGRES_AQUA_URL"
  assert_success

  dokku "$PLUGIN_COMMAND_PREFIX:link" m my-app
  run dokku config my-app
  assert_contains "${lines[*]}" "DOKKU_POSTGRES_BLACK_URL"
  assert_success
  dokku "$PLUGIN_COMMAND_PREFIX:unlink" m my-app
  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my-app
}

@test "($PLUGIN_COMMAND_PREFIX:link) links to app with docker-options" {
  dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app
  run dokku docker-options:report my-app
  assert_contains "${lines[*]}" "--link dokku.postgres.l:dokku-postgres-l"
  assert_success
  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my-app
}

@test "($PLUGIN_COMMAND_PREFIX:link) uses apps POSTGRES_DATABASE_SCHEME variable" {
  dokku config:set my-app POSTGRES_DATABASE_SCHEME=postgres2
  dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app
  url=$(dokku config:get my-app DATABASE_URL)
  password="$(sudo cat "$PLUGIN_DATA_ROOT/l/PASSWORD")"
  assert_contains "$url" "postgres2://postgres:$password@dokku-postgres-l:5432/l"
  assert_success
  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my-app
}

@test "($PLUGIN_COMMAND_PREFIX:link) adds a querystring" {
  dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app --querystring "pool=5"
  url=$(dokku config:get my-app DATABASE_URL)
  assert_contains "$url" "?pool=5"
  assert_success
  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my-app
}

@test "($PLUGIN_COMMAND_PREFIX:link) uses a specified config url when alias is specified" {
  dokku "$PLUGIN_COMMAND_PREFIX:link" l my-app --alias "ALIAS"
  url=$(dokku config:get my-app ALIAS_URL)
  password="$(sudo cat "$PLUGIN_DATA_ROOT/l/PASSWORD")"
  assert_contains "$url" "postgres://postgres:$password@dokku-postgres-l:5432/l"
  assert_success
  dokku "$PLUGIN_COMMAND_PREFIX:unlink" l my-app
}