package com.malk.service.workhours;

import com.malk.server.dingtalk.DDR_New;
import org.junit.jupiter.api.Test;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

class ApprovalWriteBackServiceTest {

    @Test
    void shouldPreferApprovedStatus() {
        assertEquals("已审批", ApprovalWriteBackService.resolveSummaryApprovalStatus(8, 8));
        assertEquals("已审批", ApprovalWriteBackService.resolveSummaryApprovalStatus(4, 4));
        assertEquals("已审批", ApprovalWriteBackService.resolveSummaryApprovalStatus(0, 4));
    }

    @Test
    void shouldUseInApprovalWhenSubmittedHoursRemain() {
        assertEquals("审批中", ApprovalWriteBackService.resolveSummaryApprovalStatus(8, 0));
        assertEquals("审批中", ApprovalWriteBackService.resolveSummaryApprovalStatus(8, 4));
    }

    @Test
    void shouldFallBackToDraftWhenNoSubmittedOrApprovedHours() {
        assertEquals("暂存", ApprovalWriteBackService.resolveSummaryApprovalStatus(0, 0));
    }

    @Test
    void shouldRestoreSubmittedHoursWhenApprovalCompletes() {
        assertEquals(8.0,
                ApprovalWriteBackService.resolveSubmittedAfterWriteBack(true, 0, 8));
    }

    @Test
    void shouldKeepLargerSubmittedHoursWhenApprovalCompletes() {
        assertEquals(12.0,
                ApprovalWriteBackService.resolveSubmittedAfterWriteBack(true, 12, 8));
    }

    @Test
    void shouldClearSubmittedHoursWhenApprovalIsRejected() {
        assertEquals(0.0,
                ApprovalWriteBackService.resolveSubmittedAfterWriteBack(false, 8, 8));
    }

    @Test
    void shouldFallBackToWholeApprovalWhenHistoricalDetailOpinionIsBlank() {
        assertEquals(true, ApprovalWriteBackService.isDetailApproved(true, ""));
        assertEquals(true, ApprovalWriteBackService.isDetailApproved(true, null));
        assertEquals(true, ApprovalWriteBackService.isDetailApproved(true, "同意"));
        assertEquals(false, ApprovalWriteBackService.isDetailApproved(true, "拒绝"));
        assertEquals(false, ApprovalWriteBackService.isDetailApproved(false, ""));
    }

    @Test
    void shouldExtractFullFormDataFromProcessDetail() {
        DDR_New response = new DDR_New();
        Map<String, Object> formData = new HashMap<>();
        formData.put("tableField_mmae8t99", new ArrayList<>(63));
        response.setData(formData);

        Map extracted = ApprovalWriteBackService.extractProcessFormData(response);

        assertEquals(formData, extracted);
    }

    @Test
    void shouldExtractFullFormDataFromLegacyProcessResult() {
        DDR_New response = new DDR_New();
        Map<String, Object> formData = new HashMap<>();
        formData.put("tableField_mmae8t99", new ArrayList<>(63));
        Map<String, Object> result = new HashMap<>();
        result.put("data", formData);
        response.setResult(result);

        Map extracted = ApprovalWriteBackService.extractProcessFormData(response);

        assertEquals(formData, extracted);
    }

    @Test
    void shouldRecognizeWorkApprovalWithOnlyNonBillableRows() {
        Map<String, Object> row = new HashMap<>();
        row.put("textField_mmd1wu9d", "PROJECT-1");
        Map<String, Object> formData = new HashMap<>();
        formData.put("tableField_mmd1wu9h", Collections.singletonList(row));

        assertEquals(false, ApprovalWriteBackService.isOtherApprovalForm(formData));
    }

    @Test
    void shouldRecognizeOtherApprovalByActivityField() {
        Map<String, Object> row = new HashMap<>();
        row.put("selectField_mmeakgie", "培训");
        Map<String, Object> formData = new HashMap<>();
        formData.put("tableField_mmd1wu9h", Collections.singletonList(row));

        assertEquals(true, ApprovalWriteBackService.isOtherApprovalForm(formData));
    }

    @Test
    void shouldReadOtherApprovalOpinionFromActualField() {
        Map<String, Object> row = new HashMap<>();
        row.put("selectField_mmeakgie", "培训");
        row.put("radioField_mpwhk294", "不同意");

        assertFalse(RepairApprovalWriteBackService.isApprovedRow(row, false, true));

        row.put("radioField_mpwhk294", "同意");
        assertTrue(RepairApprovalWriteBackService.isApprovedRow(row, false, true));
    }

    @Test
    void shouldReadNonBillableApprovalOpinionFromActualField() {
        Map<String, Object> row = new HashMap<>();
        row.put("textField_mmd1wu9d", "PROJECT-1");
        row.put("radioField_mpwhk295", "不同意");

        assertFalse(RepairApprovalWriteBackService.isApprovedRow(row, false, true));
    }

    @Test
    void shouldResumeRepairWriteBackFromPersistedCheckpoint() {
        assertEquals(0, RepairApprovalWriteBackService.resolveCompletedSteps("", 0, 0, 4));
        assertEquals(0, RepairApprovalWriteBackService.resolveCompletedSteps("部分失败", 3, 2, 4));
        assertEquals(1, RepairApprovalWriteBackService.resolveCompletedSteps("部分失败", 4, 3, 4));
        assertEquals(3, RepairApprovalWriteBackService.resolveCompletedSteps("部分失败", 4, 1, 4));
        assertEquals(4, RepairApprovalWriteBackService.resolveCompletedSteps("部分失败", 4, 0, 4));
        assertEquals(0, RepairApprovalWriteBackService.resolveCompletedSteps("全部成功", 4, 0, 4));
    }

    @Test
    void shouldPreserveSavedDraftHoursWhenRepairIsSubmitted() {
        Map<String, Object> existing = new HashMap<>();
        existing.put("projectCode", "P-001");
        existing.put("draftHours", 4d);
        existing.put("submittedHours", 4d);
        existing.put("clientName", "Client A");
        java.util.List<Map> rows = new java.util.ArrayList<>();
        rows.add(existing);

        Map<String, Object> submitted = new HashMap<>();
        submitted.put("projectCode", "P-001");
        submitted.put("submittedHours", 4d);
        TimeCardRepairService.mergeSubmittedRow(
                rows, submitted, "projectCode", "submittedHours", 4d);

        assertEquals(1, rows.size());
        assertEquals(4d, rows.get(0).get("draftHours"));
        assertEquals(4d, rows.get(0).get("submittedHours"));
        assertEquals("Client A", rows.get(0).get("clientName"));
    }

    @Test
    void shouldRecalculateRepairMainTotalsFromAllChildTables() {
        Map<String, Object> billable = new HashMap<>();
        billable.put("numberField_mmczo635", 0d);
        billable.put("numberField_mmczo636", 4d);
        billable.put("numberField_mmczo637", 0d);
        Map<String, Object> nonBillable = new HashMap<>();
        nonBillable.put("numberField_mmczo63b", 1d);
        nonBillable.put("numberField_mmczo63c", 0d);
        Map<String, Object> other = new HashMap<>();
        other.put("numberField_mmeakgik", 0d);
        other.put("numberField_mmeakgij", 2d);
        Map<String, Object> snapshot = new HashMap<>();
        snapshot.put("tableField_mmczo634", Collections.singletonList(billable));
        snapshot.put("tableField_mmczo63h", Collections.singletonList(nonBillable));
        snapshot.put("tableField_mmeakgid", Collections.singletonList(other));
        Map<String, Object> update = new HashMap<>();

        TimeCardRepairService.applySummaryTotals(update, snapshot);

        assertEquals(4d, update.get("numberField_mmacxewa"));
        assertEquals(1d, update.get("numberField_mmad6jbx"));
        assertEquals(2d, update.get("numberField_mmd1smeq"));
        assertEquals(1d, update.get("numberField_mmd1smel"));
        assertEquals(6d, update.get("numberField_mmd1smem"));
    }

    @Test
    void shouldUseDetailIdentityForRepairResubmitCoverage() {
        assertEquals("billable|u1|20260805|P-001",
                TimeCardRepairService.coverageKey("billable", "u1", "20260805", "P-001"));
    }

    @Test
    void shouldRecalculateRepairTotalsFromUpdatedApprovalSnapshot() {
        Map<String, Object> billable = new HashMap<>();
        billable.put("textField_mmacxew3", "P-001");
        billable.put("numberField_mmczo635", 8d);
        billable.put("numberField_mmczo636", 8d);
        billable.put("numberField_mmczo637", 0d);
        billable.put("numberField_mmczo637_value", 0d);
        billable.put("textField_mkov5ozd", "Project D4001");
        Map<String, Object> other = new HashMap<>();
        other.put("selectField_mmeakgie", "Time off in lieu of overtime");
        other.put("numberField_mmeakgik", 8d);
        other.put("numberField_mmeakgij", 8d);
        other.put("numberField_mmeakgii", 8d);
        Map<String, Object> detail = new HashMap<>();
        detail.put("tableField_mmczo634", Collections.singletonList(billable));
        detail.put("tableField_mmeakgid", Collections.singletonList(other));

        Map<String, Object> update = RepairApprovalWriteBackService.buildRepairSummaryUpdate(
                detail, false, true, "P-001", 8d, true);

        assertEquals(8d, update.get("numberField_mmacxewa"));
        assertEquals(8d, update.get("numberField_mmacxewg"));
        assertEquals(16d, update.get("numberField_mmd1smem"));
        assertEquals(16d, update.get("numberField_mmeakgi4"));
        assertEquals(16d, update.get("numberField_mmd1smel"));
        assertEquals("全部成功", RepairApprovalWriteBackService.resolveRepairSummaryStatus(update));
        Map updatedBillable = ((java.util.List<Map>) update.get("tableField_mmczo634")).get(0);
        assertEquals(8d, updatedBillable.get("numberField_mmczo637"));
        assertFalse(updatedBillable.containsKey("numberField_mmczo637_value"));
        assertEquals("Project D4001", updatedBillable.get("textField_mkov5ozd"));
    }

    @Test
    void shouldAggregateBillableAndNonBillableChangesByProjectCode() {
        List<RepairApprovalWriteBackService.Row> rows = new ArrayList<>();
        rows.add(repairRow("P-001", "Project A", 4d, true));
        rows.add(repairRow("P-001", "Project A", 6d, true));
        rows.add(repairRow("P-001", "Project A", 3d, false));
        rows.add(repairRow("P-002", "Project B", 5d, false));

        List<Map> billable = RepairApprovalWriteBackService.childChanges(rows, true);
        List<Map> nonBillable = RepairApprovalWriteBackService.childChanges(rows, false);

        assertEquals(1, billable.size());
        assertEquals("P-001", billable.get(0).get("textField_mmacxew3"));
        assertEquals("Project A", billable.get(0).get("selectField_mmad6jci"));
        assertEquals(10d, billable.get(0).get("numberField_mmd80zae"));
        assertEquals(2, nonBillable.size());
        assertEquals("P-001", nonBillable.get(0).get("textField_mmczo639"));
        assertEquals("Project A", nonBillable.get(0).get("selectField_mmczo638"));
        assertEquals(3d, nonBillable.get(0).get("numberField_mmeakgi9"));
        assertEquals("P-002", nonBillable.get(1).get("textField_mmczo639"));
        assertEquals(5d, nonBillable.get(1).get("numberField_mmeakgi9"));
    }

    private static RepairApprovalWriteBackService.Row repairRow(
            String projectCode, String projectName, double hours, boolean billable) {
        RepairApprovalWriteBackService.Row row = new RepairApprovalWriteBackService.Row();
        row.key = projectCode;
        row.projectName = projectName;
        row.hours = hours;
        row.billable = billable;
        row.approve = true;
        return row;
    }

    @Test
    void shouldKeepRepairSummaryPendingUntilAllCategoriesAreApproved() {
        Map<String, Object> totals = new HashMap<>();
        totals.put("numberField_mmd1smem", 16d);
        totals.put("numberField_mmeakgi4", 8d);

        assertEquals("审批中", RepairApprovalWriteBackService.resolveRepairSummaryStatus(totals));
    }

    @Test
    void shouldInitializeCreatedOriginalSummaryAsDraft() {
        Map<String, Object> update = new HashMap<>();

        RepairApprovalWriteBackService.putDraftSummaryStatus(update, "summaryStatus");

        assertEquals("暂存", update.get("summaryStatus"));
    }

    @Test
    void shouldOnlySkipMissingRequiredHoursForRepairSourceDay() {
        assertTrue(RepairApprovalWriteBackService.shouldSkipMissingRequiredRecord(true, 0));
        assertFalse(RepairApprovalWriteBackService.shouldSkipMissingRequiredRecord(false, 0));
        assertFalse(RepairApprovalWriteBackService.shouldSkipMissingRequiredRecord(true, 2));
    }

    @Test
    void shouldNeverTreatEmptyOrMalformedApprovalDetailsAsSuccess() {
        assertEquals("全部失败", ApprovalWriteBackService.determineSyncStatus(0, 0));
        assertEquals("全部失败", ApprovalWriteBackService.determineSyncStatus(1, 1));
        assertEquals("部分失败", ApprovalWriteBackService.determineSyncStatus(3, 1));
        assertEquals("全部成功", ApprovalWriteBackService.determineSyncStatus(3, 0));
    }
}