#!/usr/bin/env bash

setup_file(){
  load "$PWD/tests/integration/helpers/common"
  _common_setup
  _add_server
  _new_app
}

teardown_file(){
  _rm_server
}

setup(){
  load "$PWD/tests/integration/helpers/common"
  _common_setup
}

# TODO(d1): test "no available downgrades" when this is implemented
# https://git.coopcloud.tech/coop-cloud/organising/issues/204

@test "validate app argument" {
  run $ABRA app rollback
  assert_failure
  assert_output --partial 'no app provided'

  run $ABRA app rollback DOESNTEXIST
  assert_failure
  assert_output --partial 'cannot find app'
}

@test "retrieve recipe if missing" {
  run rm -rf "$ABRA_DIR/recipes/$TEST_RECIPE"
  assert_success
  assert_not_exists "$ABRA_DIR/recipes/$TEST_RECIPE"

  run $ABRA app rollback "$TEST_APP_DOMAIN" --no-input --no-converge-checks
  assert_failure
  assert_exists "$ABRA_DIR/recipes/$TEST_RECIPE"
}

@test "ensure recipe up to date if no --offline" {
  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" reset --hard HEAD~3
  assert_success

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  assert_output --partial 'behind 3'

  run $ABRA app rollback "$TEST_APP_DOMAIN" --no-input --no-converge-checks
  assert_failure

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  refute_output --partial 'behind 3'
}

@test "ensure recipe not up to date if --offline" {
  latestCommit="$(git -C "$ABRA_DIR/recipes/$TEST_RECIPE" rev-parse --short HEAD)"
  refute [ -z "$latestCommit" ];

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" reset --hard HEAD~3
  assert_success

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  assert_output --partial 'behind 3'

  run $ABRA app rollback "$TEST_APP_DOMAIN" \
    --no-input --no-converge-checks --offline
  assert_failure

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  assert_output --partial 'behind 3'

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" checkout "$latestCommit"
  assert_success

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  refute_output --partial 'behind 3'
}

@test "bail if unstaged changes and no --chaos" {
  run bash -c "echo foo >> $ABRA_DIR/recipes/$TEST_RECIPE/foo"
  assert_success
  assert_exists "$ABRA_DIR/recipes/$TEST_RECIPE/foo"

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  assert_success
  assert_output --partial 'foo'

  run $ABRA app rollback "$TEST_APP_DOMAIN" --no-input --no-converge-checks
  assert_failure
  assert_output --partial 'locally unstaged changes'
  refute_output --partial 'chaos'

  run rm -rf "$ABRA_DIR/recipes/$TEST_RECIPE/foo"
  assert_not_exists "$ABRA_DIR/recipes/$TEST_RECIPE/foo"
}

# bats test_tags=slow
@test "do not bail if unstaged changes and --chaos" {
  run bash -c 'echo "unstaged changes" >> "$ABRA_DIR/recipes/$TEST_RECIPE/foo"'
  assert_success
  assert_exists "$ABRA_DIR/recipes/$TEST_RECIPE/foo"

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  assert_success
  assert_output --partial 'foo'

  run $ABRA app deploy "$TEST_APP_DOMAIN" \
    --chaos --no-input --no-converge-checks
  assert_success
  assert_output --partial 'chaos'

  run $ABRA app rollback "$TEST_APP_DOMAIN" \
    --chaos --no-input --no-converge-checks
  assert_success
  assert_output --partial 'chaos'

  _undeploy_app

  run rm -rf "$ABRA_DIR/recipes/$TEST_RECIPE/foo"
  assert_not_exists "$ABRA_DIR/recipes/$TEST_RECIPE/foo"
}

# bats test_tags=slow
@test "ensure same commit if --chaos" {
  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" checkout main
  assert_success

  latestCommit="$(git -C "$ABRA_DIR/recipes/$TEST_RECIPE" rev-parse --short HEAD)"

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" reset --hard HEAD~3
  assert_success

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" status
  assert_output --partial 'behind 3'

  threeCommitsBack="$(git -C "$ABRA_DIR/recipes/$TEST_RECIPE" rev-parse --short HEAD)"

  run $ABRA app deploy "$TEST_APP_DOMAIN" \
    --no-input --no-converge-checks --chaos
  assert_success
  refute_output --partial "$latestCommit"
  assert_output --partial "$threeCommitsBack"
  assert_output --partial 'chaos'

  run $ABRA app rollback "$TEST_APP_DOMAIN" \
    --chaos --no-input --no-converge-checks
  assert_success
  refute_output --partial "$latestCommit"
  assert_output --partial "$threeCommitsBack"
  assert_output --partial 'chaos'

  _undeploy_app

  run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" checkout "$latestCommit"
  assert_success
  refute_output --partial 'behind 3'
}

# bats test_tags=slow
@test "no rollback if lint error" {
  _deploy_app

  run sed -i '/traefik.enable=.*/d' "$ABRA_DIR/recipes/$TEST_RECIPE/compose.yml"
  assert_success

  run $ABRA app rollback "$TEST_APP_DOMAIN" --no-input --chaos
  assert_failure
  assert_output --partial 'failed lint checks'

  _undeploy_app

  _checkout_recipe "$TEST_RECIPE"
}

@test "error if not already deployed" {
  run $ABRA app rollback "$TEST_APP_DOMAIN" --no-input --chaos
  assert_failure
  assert_output --partial 'not deployed'
}

# bats test_tags=slow
@test "error if no published release and no --chaos" {
  _deploy_app

  run $ABRA app rollback "$TEST_APP_DOMAIN" --no-input
  assert_failure
  assert_output --partial 'no published releases'

  _undeploy_app
}

# bats test_tags=slow
@test "rollback to previous version" {
  latestVersion=$(jq -r '.gitea.versions[-1] | keys[0]' < "$ABRA_DIR/catalogue/recipes.json")
  refute [ -z "$latestVersion" ];

  rollbackVersion=$(jq -r '.gitea.versions[-2] | keys[0]' < "$ABRA_DIR/catalogue/recipes.json")
  refute [ -z "$rollbackVersion" ];

  run $ABRA app new gitea \
    --no-input \
    --server "$TEST_SERVER" \
    --domain "gitea.$TEST_SERVER" \
    --secrets
  assert_success
  assert_exists "$ABRA_DIR/servers/$TEST_SERVER/gitea.$TEST_SERVER.env"

  run $ABRA app deploy "gitea.$TEST_SERVER" --no-input --no-converge-checks
  assert_success
  assert_output --partial "$latestVersion"

  run $ABRA app rollback "gitea.$TEST_SERVER" --no-input --no-converge-checks
  assert_success
  assert_output --partial "$rollbackVersion"

  run $ABRA app undeploy "gitea.$TEST_SERVER" --no-input
  assert_success

  run $ABRA app secret remove "gitea.$TEST_SERVER" --all --no-input
  assert_success

  # NOTE(d1): to let the stack come down before nuking volumes
  sleep 5

  run $ABRA app volume remove "gitea.$TEST_SERVER" --no-input
  assert_success

  run $ABRA app remove "gitea.$TEST_SERVER" --no-input
  assert_success
  assert_not_exists "$ABRA_DIR/servers/$TEST_SERVER/gitea.$TEST_SERVER.env"
}