package config

import (
	"fmt"

	configkit "gitea.maximumdirect.net/eric/ConfigKit"
)

const maxConfigDocumentBytes int64 = 8 << 20

func loadCampaignWithConfigKit(path string) (*CampaignConfig, error) {
	result, err := configkit.Load(configkit.File(path), configkit.Options[CampaignConfig]{
		Definition: configkit.Definition[CampaignConfig]{},
	})
	if err != nil {
		return nil, describeConfigKitLoadError("campaign", err)
	}
	return &result.Config, nil
}

func loadSessionWithConfigKit(label string, data []byte) (*SessionConfig, error) {
	if int64(len(data)) > maxConfigDocumentBytes {
		return nil, fmt.Errorf("load session config: session file %q exceeds %d-byte limit", label, maxConfigDocumentBytes)
	}
	result, err := configkit.Load(configkit.Bytes(label, data), configkit.Options[SessionConfig]{
		Definition: configkit.Definition[SessionConfig]{},
	})
	if err != nil {
		return nil, describeConfigKitLoadError("session", err)
	}
	return &result.Config, nil
}