#!/bin/bash
# Mempool MariaDB health check — managed by Ansible (roles/mempool)
# The exit code is the answer; systemd keeps it. Reporting is optional.
PUSH_URL="${HEALTHCHECK_PUSH_URL:-}"
PUSH_TOKEN="${HEALTHCHECK_PUSH_TOKEN:-}"

check() {
{% raw %}
    [ "$(docker inspect --format='{{.State.Health.Status}}' mempool-db 2>/dev/null)" = "healthy" ]
{% endraw %}
}

report() {
    # No push URL is normal, not an error. The previous version logged
    # "ERROR: UPTIME_KUMA_PUSH_URL not set" on every fire, once a minute.
    [ -n "$PUSH_URL" ] || return 0
    # Gatus external endpoint: a POST with a bearer token, NOT Uptime Kuma's
    # GET with ?status=up. The callers still pass up/down, so the mapping is
    # done here rather than at every call site.
    local _ok=false
    [ "$1" = "up" ] && _ok=true
    curl -s --max-time 15 --retry 2 -o /dev/null -X POST \
        -H "Authorization: Bearer ${PUSH_TOKEN}" \
        "${PUSH_URL}?success=${_ok}&error=${2// /%20}" || true
}

if check; then report up "OK"; exit 0
else echo "MariaDB container unhealthy"; report down "MariaDB container unhealthy"; exit 1; fi