# Provisioning Daemon Validator

let daemon_schema = import "../schemas/provisioning-daemon.ncl" in
let constraints = import "../constraints/constraints.toml" in

{
  validate_daemon_config | daemon_schema.DaemonConfig -> Array String = fun config =>
    let errors = [] in

    # Daemon configuration validation
    let errors = if config.daemon.poll_interval < constraints.daemon.poll_interval.min
                 then errors @ ["Poll interval below minimum (#{constraints.daemon.poll_interval.min})s"]
                 else if config.daemon.poll_interval > constraints.daemon.poll_interval.max
                      then errors @ ["Poll interval above maximum (#{constraints.daemon.poll_interval.max})s"]
                      else errors in

    let errors = if config.daemon.max_workers < constraints.daemon.max_workers.min
                 then errors @ ["Max workers below minimum (#{constraints.daemon.max_workers.min})"]
                 else if config.daemon.max_workers > constraints.daemon.max_workers.max
                      then errors @ ["Max workers above maximum (#{constraints.daemon.max_workers.max})"]
                      else errors in

    let errors = if config.daemon.startup_delay < 0 || config.daemon.startup_delay > 300
                 then errors @ ["Startup delay must be between 0 and 300 seconds"]
                 else errors in

    let errors = if config.daemon.graceful_shutdown_timeout < 5 || config.daemon.graceful_shutdown_timeout > 300
                 then errors @ ["Graceful shutdown timeout must be between 5 and 300 seconds"]
                 else errors in

    # Logging configuration validation
    let errors = if std.array.length config.logging.file == 0
                 then errors @ ["Log file path cannot be empty"]
                 else errors in

    let errors = if config.logging.max_size < 1 || config.logging.max_size > 1000
                 then errors @ ["Max log size must be between 1 and 1000 MB"]
                 else errors in

    let errors = if config.logging.retention_days < 1 || config.logging.retention_days > 365
                 then errors @ ["Log retention days must be between 1 and 365"]
                 else errors in

    # Actions configuration validation
    let errors = if config.actions.cleanup_interval < 1 || config.actions.cleanup_interval > 168
                 then errors @ ["Cleanup interval must be between 1 and 168 hours"]
                 else errors in

    let errors = if config.actions.sync_interval < 5 || config.actions.sync_interval > 1440
                 then errors @ ["Sync interval must be between 5 and 1440 minutes"]
                 else errors in

    # Workers configuration validation
    let errors = if config.workers.thread_pool_size < 1 || config.workers.thread_pool_size > 32
                 then errors @ ["Thread pool size must be between 1 and 32"]
                 else errors in

    let errors = if config.workers.max_task_queue_depth < 10 || config.workers.max_task_queue_depth > 100000
                 then errors @ ["Max task queue depth must be between 10 and 100000"]
                 else errors in

    let errors = if config.workers.task_timeout < 10 || config.workers.task_timeout > 3600
                 then errors @ ["Task timeout must be between 10 and 3600 seconds"]
                 else errors in

    let errors = if config.workers.worker_idle_timeout < 10 || config.workers.worker_idle_timeout > 600
                 then errors @ ["Worker idle timeout must be between 10 and 600 seconds"]
                 else errors in

    # Health configuration validation
    let errors = if config.health.health_check_interval < 10 || config.health.health_check_interval > 600
                 then errors @ ["Health check interval must be between 10 and 600 seconds"]
                 else errors in

    let errors = if config.health.liveness_timeout < 30 || config.health.liveness_timeout > 600
                 then errors @ ["Liveness timeout must be between 30 and 600 seconds"]
                 else errors in

    let errors = if config.health.readiness_timeout < 5 || config.health.readiness_timeout > 300
                 then errors @ ["Readiness timeout must be between 5 and 300 seconds"]
                 else errors in

    let errors = if config.health.metrics_port < 1024 || config.health.metrics_port > 65535
                 then errors @ ["Metrics port must be between 1024 and 65535"]
                 else errors in

    let errors = if config.health.alert_threshold < 10 || config.health.alert_threshold > 100
                 then errors @ ["Alert threshold must be between 10 and 100 percent"]
                 else errors in

    # Ensure timeout consistency
    let errors = if config.health.liveness_timeout <= config.health.readiness_timeout
                 then errors @ ["Liveness timeout must be greater than readiness timeout"]
                 else errors in

    errors,
}