package checker

import (
	"context"
	"fmt"

	sdk "git.happydns.org/checker-sdk-go/checker"
)

func Rules() []sdk.CheckRule {
	return []sdk.CheckRule{
		&isReverseZoneRule{},
		&hasPTRsRule{},
		&fcrdnsRule{},
		&targetResolvesRule{},
		&singlePTRRule{},
		&targetSyntaxRule{},
		&genericHostnameRule{},
		&ttlHygieneRule{},
		&truncationRule{},
	}
}

func loadData(ctx context.Context, obs sdk.ObservationGetter) (*ReverseZoneData, *sdk.CheckState) {
	var data ReverseZoneData
	if err := obs.Get(ctx, ObservationKey, &data); err != nil {
		return nil, &sdk.CheckState{
			Status:  sdk.StatusError,
			Code:    "reverse_zone.observation_error",
			Message: fmt.Sprintf("failed to get reverse-zone data: %v", err),
		}
	}
	return &data, nil
}

func passState(code, message, subject string) sdk.CheckState {
	return sdk.CheckState{Status: sdk.StatusOK, Code: code, Message: message, Subject: subject}
}

func skipState(code, message string) sdk.CheckState {
	return sdk.CheckState{Status: sdk.StatusUnknown, Code: code, Message: message}
}

func critState(code, message, subject, hint string) sdk.CheckState {
	return withHint(sdk.CheckState{Status: sdk.StatusCrit, Code: code, Message: message, Subject: subject}, hint)
}

func warnState(code, message, subject, hint string) sdk.CheckState {
	return withHint(sdk.CheckState{Status: sdk.StatusWarn, Code: code, Message: message, Subject: subject}, hint)
}

func infoState(code, message, subject string) sdk.CheckState {
	return sdk.CheckState{Status: sdk.StatusInfo, Code: code, Message: message, Subject: subject}
}

func withHint(st sdk.CheckState, hint string) sdk.CheckState {
	if hint != "" {
		st.Meta = map[string]any{"hint": hint}
	}
	return st
}