#!/usr/bin/env bash
set -euo pipefail

: "${ACT_WORKFLOW:?ACT_WORKFLOW is not set (e.g. .github/workflows/call-test-workspace.yml)}"
: "${ACT_EVENT:=workflow_dispatch}"
: "${ACT_JOB:=}"
: "${ACT_MATRIX:=}"
: "${INFINITO_CONTAINER:?INFINITO_CONTAINER is not set; source scripts/meta/env/load.sh or invoke via make}"
: "${ACT_CONTAINER_OPTIONS:=--privileged --label infinito.worktree=${INFINITO_CONTAINER}}"
: "${ACT_NETWORK:=host}"
: "${ACT_PULL:=false}"
: "${ACT_RM:=true}"
: "${ACT_PLATFORM_IMAGE:?ACT_PLATFORM_IMAGE is not set; source scripts/meta/env/load.sh or invoke via make}"
: "${ACT_BIND:=false}"
: "${ACT_INPUTS:=}"
: "${ACT_ENV:=}"

if [[ "${ACT_PLATFORM_IMAGE}" == local/act-runner-fixed:latest ]] &&
	! docker image inspect "${ACT_PLATFORM_IMAGE}" >/dev/null 2>&1; then
	bash "$(dirname "${BASH_SOURCE[0]}")/build_runner_image.sh"
fi

_act_cache_path="${ACT_ACTION_CACHE_PATH:-/tmp/actcache/act}" # nocheck: act-tool cache path, not a stack variable
_stale_mounts=$(mount | grep -E " on ${_act_cache_path}/[^ ]+ type devtmpfs " || true)
if [[ -n "${_stale_mounts}" ]]; then
	echo "ERROR: stale devtmpfs bind-mounts inside ${_act_cache_path} block act from refreshing the actions cache." >&2
	echo "Affected mountpoints:" >&2
	echo "${_stale_mounts}" | awk '{print "  " $3}' >&2
	echo "Fix (run on the host, outside the agent sandbox):" >&2
	echo "  mount | awk -v p='${_act_cache_path}/' '\$5==\"devtmpfs\" && index(\$3,p)==1 {print \$3}' | sudo xargs -r umount" >&2
	echo "  sudo rm -rf ${_act_cache_path}" >&2
	exit 3
fi

echo "=== act: workflow=${ACT_WORKFLOW} event=${ACT_EVENT} job=${ACT_JOB:-<all>} matrix=${ACT_MATRIX:-<none>} inputs=${ACT_INPUTS:-<none>} ==="

# Exception: act's bundled Actions schema (pkg/schema/workflow_schema.json, still
# true on main at v0.2.89) lacks the `queue` concurrency property that GitHub
# shipped on 2026-05-07, and rejects the whole workflow over it instead of
# ignoring it, so act is fed a copy without those lines.
# TODO: drop this sanitize step once act's schema knows `queue` --
# report https://github.com/nektos/act/issues/6095,
# fix in review https://github.com/nektos/act/pull/6152.
_act_queue_re='^[[:space:]]*queue:[[:space:]]*(single|max)[[:space:]]*$'
_act_sanitized="$(mktemp -d)"
trap 'rm -rf "${_act_sanitized}"' EXIT
_act_workflow="${_act_sanitized}/$(basename "${ACT_WORKFLOW}")"
if [[ -d "${ACT_WORKFLOW}" ]]; then
	cp -r "${ACT_WORKFLOW}" "${_act_workflow}"
	find "${_act_workflow}" -type f -name '*.y*ml' \
		-exec sed -i -E "/${_act_queue_re}/d" {} +
else
	grep -vE "${_act_queue_re}" "${ACT_WORKFLOW}" >"${_act_workflow}"
fi

cmd=(act "${ACT_EVENT}" -W "${_act_workflow}")
_act_workflows_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../../.." && pwd)/.github/workflows"
while read -r _act_label; do
	cmd+=(-P "${_act_label}=${ACT_PLATFORM_IMAGE}")
done < <(grep -rhE 'runs-on:' "${_act_workflows_dir}" | grep -oE 'ubuntu-[0-9]+\.[0-9]+' | sort -u)

if [[ -n "${ACT_JOB}" ]]; then
	cmd+=(-j "${ACT_JOB}")
fi
if [[ -n "${ACT_MATRIX}" ]]; then
	IFS=';' read -ra _act_matrix_filters <<<"${ACT_MATRIX}"
	for pair in "${_act_matrix_filters[@]}"; do
		cmd+=(--matrix "${pair}")
	done
fi
if [[ -n "${ACT_INPUTS}" ]]; then
	for pair in ${ACT_INPUTS}; do
		cmd+=(--input "${pair}")
	done
fi
if [[ -n "${ACT_ENV}" ]]; then
	IFS=';' read -ra _act_env_pairs <<<"${ACT_ENV}"
	for pair in "${_act_env_pairs[@]}"; do
		pair="${pair#"${pair%%[![:space:]]*}"}"
		pair="${pair%"${pair##*[![:space:]]}"}"
		if [[ -n "${pair}" ]]; then
			cmd+=(--env "${pair}")
		fi
	done
fi
if [[ -n "${ACT_CONTAINER_OPTIONS}" ]]; then
	cmd+=(--container-options "${ACT_CONTAINER_OPTIONS}")
fi
if [[ -n "${ACT_NETWORK}" ]]; then
	cmd+=(--network "${ACT_NETWORK}")
fi
cmd+=(--concurrent-jobs "1")

cmd+=(--pull="${ACT_PULL}")
cmd+=(--action-offline-mode)
cmd+=(--action-cache-path "${ACT_ACTION_CACHE_PATH:-/tmp/actcache/act}") # nocheck: act-tool cache path, not a stack variable
if [[ "${ACT_RM}" == "true" ]]; then
	cmd+=(--rm)
fi
cmd+=(--cache-server-addr 127.0.0.1)
cmd+=(--artifact-server-addr 127.0.0.1)
if [[ "${ACT_BIND}" == "true" ]]; then
	cmd+=(--bind)
fi

"${cmd[@]}"