mailbox/tools/indexer/src/main/java/org/apache/mailbox/tools/indexer/ReprocessingContextInformation.java

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package org.apache.mailbox.tools.indexer;

import java.time.Clock;
import java.time.Instant;

import org.apache.james.mailbox.indexer.IndexingDetailInformation;
import org.apache.james.mailbox.indexer.ReIndexingExecutionFailures;
import org.apache.james.task.TaskExecutionDetails;
import org.apache.mailbox.tools.indexer.ReprocessingContextInformationDTO.ReprocessingContextInformationForErrorRecoveryIndexationTask;
import org.apache.mailbox.tools.indexer.ReprocessingContextInformationDTO.ReprocessingContextInformationForFullReindexingTask;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;

public class ReprocessingContextInformation implements TaskExecutionDetails.AdditionalInformation, IndexingDetailInformation {

    public static ReprocessingContextInformationForErrorRecoveryIndexationTask forErrorRecoveryIndexationTask(ReprocessingContext reprocessingContext) {
        return new ReprocessingContextInformationForErrorRecoveryIndexationTask(
            reprocessingContext.successfullyReprocessedMailCount(),
            reprocessingContext.failedReprocessingMailCount(),
            reprocessingContext.failures(),
            Clock.systemUTC().instant());
    }

    public static ReprocessingContextInformationForFullReindexingTask forFullReindexingTask(ReprocessingContext reprocessingContext) {
        return new ReprocessingContextInformationForFullReindexingTask(
            reprocessingContext.successfullyReprocessedMailCount(),
            reprocessingContext.failedReprocessingMailCount(),
            reprocessingContext.failures(),
            Clock.systemUTC().instant());
    }

    private final int successfullyReprocessedMailCount;
    private final int failedReprocessedMailCount;
    private final ReIndexingExecutionFailures failures;
    private final Instant timestamp;

    ReprocessingContextInformation(int successfullyReprocessedMailCount, int failedReprocessedMailCount,
                                   ReIndexingExecutionFailures failures, Instant timestamp) {
        this.successfullyReprocessedMailCount = successfullyReprocessedMailCount;
        this.failedReprocessedMailCount = failedReprocessedMailCount;
        this.failures = failures;
        this.timestamp = timestamp;
    }

    @Override
    public int getSuccessfullyReprocessedMailCount() {
        return successfullyReprocessedMailCount;
    }

    @Override
    public int getFailedReprocessedMailCount() {
        return failedReprocessedMailCount;
    }

    @Override
    @JsonIgnore
    public ReIndexingExecutionFailures failures() {
        return failures;
    }

    @JsonProperty("failures")
    public SerializableReIndexingExecutionFailures failuresAsJson() {
        return SerializableReIndexingExecutionFailures.from(failures());
    }

    @Override
    public Instant timestamp() {
        return timestamp;
    }
}