import { describe, it, expect } from 'vitest';
// Test the transformations used in handlers
describe('Handler Function Transformations', () => {
  // Test parameter transformations for handlers
  describe('Schema Transformations', () => {
    describe('Page and Page Size Transformations', () => {
      it('should test transform for Projects tool', () => {
        const transform = (val: any) => (val ? parseInt(val, 10) || null : null);
        // Projects page parameter
        expect(transform('10')).toBe(10);
        expect(transform('invalid')).toBe(null);
        expect(transform(undefined)).toBe(null);
        expect(transform('')).toBe(null);
        // Projects page_size parameter
        expect(transform('20')).toBe(20);
      });
      it('should test transform for Metrics tool', () => {
        const transform = (val: any) => (val ? parseInt(val, 10) || null : null);
        // Metrics page parameter
        expect(transform('10')).toBe(10);
        expect(transform('invalid')).toBe(null);
        // Metrics page_size parameter
        expect(transform('20')).toBe(20);
      });
      it('should test transform for Issues tool', () => {
        const transform = (val: any) => (val ? parseInt(val, 10) || null : null);
        // Issues page parameter
        expect(transform('10')).toBe(10);
        expect(transform('invalid')).toBe(null);
        // Issues page_size parameter
        expect(transform('20')).toBe(20);
      });
      it('should test transform for Components Measures tool', () => {
        const transform = (val: any) => (val ? parseInt(val, 10) || null : null);
        // Components Measures page parameter
        expect(transform('10')).toBe(10);
        expect(transform('invalid')).toBe(null);
        // Components Measures page_size parameter
        expect(transform('20')).toBe(20);
      });
      it('should test transform for Measures History tool', () => {
        const transform = (val: any) => (val ? parseInt(val, 10) || null : null);
        // Measures History page parameter
        expect(transform('10')).toBe(10);
        expect(transform('invalid')).toBe(null);
        // Measures History page_size parameter
        expect(transform('20')).toBe(20);
      });
    });
    describe('Boolean Parameter Transformations', () => {
      it('should test boolean transform for resolved parameter', () => {
        const transform = (val: any) => val === 'true';
        expect(transform('true')).toBe(true);
        expect(transform('false')).toBe(false);
        expect(transform('someOtherValue')).toBe(false);
      });
      it('should test boolean transform for on_component_only parameter', () => {
        const transform = (val: any) => val === 'true';
        expect(transform('true')).toBe(true);
        expect(transform('false')).toBe(false);
        expect(transform('someOtherValue')).toBe(false);
      });
      it('should test boolean transform for since_leak_period parameter', () => {
        const transform = (val: any) => val === 'true';
        expect(transform('true')).toBe(true);
        expect(transform('false')).toBe(false);
        expect(transform('someOtherValue')).toBe(false);
      });
      it('should test boolean transform for in_new_code_period parameter', () => {
        const transform = (val: any) => val === 'true';
        expect(transform('true')).toBe(true);
        expect(transform('false')).toBe(false);
        expect(transform('someOtherValue')).toBe(false);
      });
    });
  });
  // These are mock tests for the handler implementations
  describe('Handler Implementation Mocks', () => {
    it('should mock metricsHandler implementation', () => {
      // Test the transform within the handler
      const nullToUndefined = (value: any) => (value === null ? undefined : value);
      // Mock params that would be processed by metricsHandler
      const params = { page: 2, page_size: 10 };
      // Verify transformations work correctly
      expect(nullToUndefined(params.page)).toBe(2);
      expect(nullToUndefined(params.page_size)).toBe(10);
      expect(nullToUndefined(null)).toBeUndefined();
      // Mock result structure
      const result = {
        content: [
          {
            type: 'text',
            text: JSON.stringify(
              {
                metrics: [{ key: 'test-metric', name: 'Test Metric' }],
                paging: { pageIndex: 1, pageSize: 10, total: 1 },
              },
              null,
              2
            ),
          },
        ],
      };
      expect(result.content).toBeDefined();
      expect(result.content[0]?.type).toBe('text');
      expect(JSON.parse(result.content[0]?.text ?? '{}').metrics).toBeDefined();
    });
    it('should mock issuesHandler implementation', () => {
      // Mock the mapToSonarQubeParams function within issuesHandler
      const nullToUndefined = (value: any) => (value === null ? undefined : value);
      const mapToSonarQubeParams = (params: any) => {
        return {
          projectKey: params.project_key,
          severity: nullToUndefined(params.severity),
          page: nullToUndefined(params.page),
        };
      };
      // Test with sample parameters
      const params = { project_key: 'test-project', severity: 'MAJOR', page: null };
      const result = mapToSonarQubeParams(params);
      // Verify transformations
      expect(result.projectKey).toBe('test-project');
      expect(result.severity).toBe('MAJOR');
      expect(result.page).toBeUndefined();
      // Mock the handler return structure
      const handlerResult = {
        content: [
          {
            type: 'text',
            text: JSON.stringify({
              issues: [{ key: 'test-issue', rule: 'test-rule', severity: 'MAJOR' }],
              paging: { pageIndex: 1, pageSize: 10, total: 1 },
            }),
          },
        ],
      };
      expect(handlerResult.content[0]?.type).toBe('text');
    });
    it('should mock componentMeasuresHandler implementation', () => {
      // Mock the array transformation logic
      const params = {
        component: 'test-component',
        metric_keys: 'coverage',
        branch: 'main',
      };
      // Test array conversion logic
      const metricKeys = Array.isArray(params.metric_keys)
        ? params.metric_keys
        : [params.metric_keys];
      expect(metricKeys).toEqual(['coverage']);
      // Test with array input
      const paramsWithArray = {
        component: 'test-component',
        metric_keys: ['coverage', 'bugs'],
        branch: 'main',
      };
      const metricKeysFromArray = Array.isArray(paramsWithArray.metric_keys)
        ? paramsWithArray.metric_keys
        : [paramsWithArray.metric_keys];
      expect(metricKeysFromArray).toEqual(['coverage', 'bugs']);
      // Mock the handler return structure
      const handlerResult = {
        content: [
          {
            type: 'text',
            text: JSON.stringify({
              component: {
                key: 'test-component',
                measures: [{ metric: 'coverage', value: '85.4' }],
              },
              metrics: [{ key: 'coverage', name: 'Coverage' }],
            }),
          },
        ],
      };
      expect(handlerResult.content[0]?.type).toBe('text');
    });
    it('should mock componentsMeasuresHandler implementation', () => {
      // Mock the array transformation logic for components and metrics
      const params = {
        component_keys: 'test-component',
        metric_keys: 'coverage',
        page: '1',
        page_size: '10',
      };
      // Test component keys array conversion
      const componentKeys = Array.isArray(params.component_keys)
        ? params.component_keys
        : [params.component_keys];
      expect(componentKeys).toEqual(['test-component']);
      // Test metric keys array conversion
      const metricKeys = Array.isArray(params.metric_keys)
        ? params.metric_keys
        : [params.metric_keys];
      expect(metricKeys).toEqual(['coverage']);
      // Test null to undefined conversion
      const nullToUndefined = (value: any) => (value === null ? undefined : value);
      expect(nullToUndefined(null)).toBeUndefined();
      expect(nullToUndefined('value')).toBe('value');
      // Mock the handler return structure
      const handlerResult = {
        content: [
          {
            type: 'text',
            text: JSON.stringify({
              components: [
                {
                  key: 'test-component',
                  measures: [{ metric: 'coverage', value: '85.4' }],
                },
              ],
              metrics: [{ key: 'coverage', name: 'Coverage' }],
              paging: { pageIndex: 1, pageSize: 10, total: 1 },
            }),
          },
        ],
      };
      expect(handlerResult.content[0]?.type).toBe('text');
    });
    it('should mock measuresHistoryHandler implementation', () => {
      // Mock the metrics array transformation logic
      const params = {
        component: 'test-component',
        metrics: 'coverage',
        from: '2023-01-01',
        to: '2023-12-31',
      };
      // Test metrics array conversion
      const metrics = Array.isArray(params.metrics) ? params.metrics : [params.metrics];
      expect(metrics).toEqual(['coverage']);
      // Test with array input
      const paramsWithArray = {
        component: 'test-component',
        metrics: ['coverage', 'bugs'],
        from: '2023-01-01',
        to: '2023-12-31',
      };
      const metricsFromArray = Array.isArray(paramsWithArray.metrics)
        ? paramsWithArray.metrics
        : [paramsWithArray.metrics];
      expect(metricsFromArray).toEqual(['coverage', 'bugs']);
      // Mock the handler return structure
      const handlerResult = {
        content: [
          {
            type: 'text',
            text: JSON.stringify({
              measures: [
                {
                  metric: 'coverage',
                  history: [{ date: '2023-01-01', value: '85.4' }],
                },
              ],
              paging: { pageIndex: 1, pageSize: 10, total: 1 },
            }),
          },
        ],
      };
      expect(handlerResult.content[0]?.type).toBe('text');
    });
  });
});