/**
 * CCS Flag Parsing Unit Tests
 *
 * Tests flag parsing functionality for the update command in CCS tool
 */

const assert = require('assert');

describe('CCS Flag Parsing', function () {
  // Note: We don't import ccs.js here because it runs main() on import
  // These tests validate the flag parsing logic in isolation

  describe('Update Command Flag Extraction', function () {
    it('should handle update command with no flags', function () {
      // Test that flags are correctly extracted when no flags are present
      // The implementation should default to force: false, beta: false
      const updateArgs = [];
      const forceFlag = updateArgs.includes('--force');
      const betaFlag = updateArgs.includes('--beta');

      assert.strictEqual(forceFlag, false, 'force flag should be false when not present');
      assert.strictEqual(betaFlag, false, 'beta flag should be false when not present');
    });

    it('should handle update command with --force flag only', function () {
      const updateArgs = ['--force'];
      const forceFlag = updateArgs.includes('--force');
      const betaFlag = updateArgs.includes('--beta');

      assert.strictEqual(forceFlag, true, 'force flag should be true when --force is present');
      assert.strictEqual(betaFlag, false, 'beta flag should be false when not present');
    });

    it('should handle update command with --beta flag only', function () {
      const updateArgs = ['--beta'];
      const forceFlag = updateArgs.includes('--force');
      const betaFlag = updateArgs.includes('--beta');

      assert.strictEqual(forceFlag, false, 'force flag should be false when not present');
      assert.strictEqual(betaFlag, true, 'beta flag should be true when --beta is present');
    });

    it('should handle update command with both --force and --beta flags', function () {
      const updateArgs = ['--force', '--beta'];
      const forceFlag = updateArgs.includes('--force');
      const betaFlag = updateArgs.includes('--beta');

      assert.strictEqual(forceFlag, true, 'force flag should be true when --force is present');
      assert.strictEqual(betaFlag, true, 'beta flag should be true when --beta is present');
    });

    it('should handle update command with --beta and --force flags (reverse order)', function () {
      const updateArgs = ['--beta', '--force'];
      const forceFlag = updateArgs.includes('--force');
      const betaFlag = updateArgs.includes('--beta');

      assert.strictEqual(forceFlag, true, 'force flag should be true when --force is present');
      assert.strictEqual(betaFlag, true, 'beta flag should be true when --beta is present');
    });

    it('should handle update command with additional arguments and flags', function () {
      const updateArgs = ['--force', 'some', 'other', '--beta', 'args'];
      const forceFlag = updateArgs.includes('--force');
      const betaFlag = updateArgs.includes('--beta');

      assert.strictEqual(forceFlag, true, 'force flag should be true when --force is present');
      assert.strictEqual(betaFlag, true, 'beta flag should be true when --beta is present');
    });

    it('should handle update command with duplicate flags', function () {
      const updateArgs = ['--force', '--beta', '--force'];
      const forceFlag = updateArgs.includes('--force');
      const betaFlag = updateArgs.includes('--beta');

      assert.strictEqual(forceFlag, true, 'force flag should be true when --force is present');
      assert.strictEqual(betaFlag, true, 'beta flag should be true when --beta is present');
    });
  });

  describe('UpdateOptions Interface', function () {
    it('should accept empty options object', function () {
      const options = {};
      // The function should handle undefined/missing flags with defaults
      const { force = false, beta = false } = options;

      assert.strictEqual(force, false, 'force should default to false');
      assert.strictEqual(beta, false, 'beta should default to false');
    });

    it('should accept options with force flag', function () {
      const options = { force: true };
      const { force = false, beta = false } = options;

      assert.strictEqual(force, true, 'force should be true when set');
      assert.strictEqual(beta, false, 'beta should default to false');
    });

    it('should accept options with beta flag', function () {
      const options = { beta: true };
      const { force = false, beta = false } = options;

      assert.strictEqual(force, false, 'force should default to false');
      assert.strictEqual(beta, true, 'beta should be true when set');
    });

    it('should accept options with both flags', function () {
      const options = { force: true, beta: true };
      const { force = false, beta = false } = options;

      assert.strictEqual(force, true, 'force should be true when set');
      assert.strictEqual(beta, true, 'beta should be true when set');
    });

    it('should accept options with explicit false values', function () {
      const options = { force: false, beta: false };
      const { force = false, beta = false } = options;

      assert.strictEqual(force, false, 'force should remain false when explicitly set');
      assert.strictEqual(beta, false, 'beta should remain false when explicitly set');
    });
  });

  describe('Flag Integration Test', function () {
    it('should correctly parse flags from command line args', function () {
      // Simulate the flag extraction logic from ccs.ts lines 242-247
      const testCases = [
        {
          args: ['update'],
          expected: { force: false, beta: false },
          description: 'no flags'
        },
        {
          args: ['update', '--force'],
          expected: { force: true, beta: false },
          description: '--force only'
        },
        {
          args: ['update', '--beta'],
          expected: { force: false, beta: true },
          description: '--beta only'
        },
        {
          args: ['update', '--force', '--beta'],
          expected: { force: true, beta: true },
          description: 'both flags'
        },
        {
          args: ['update', '--beta', '--force'],
          expected: { force: true, beta: true },
          description: 'both flags (reverse order)'
        }
      ];

      testCases.forEach(testCase => {
        const firstArg = testCase.args[0];

        if (firstArg === 'update') {
          const updateArgs = testCase.args.slice(1);
          const forceFlag = updateArgs.includes('--force');
          const betaFlag = updateArgs.includes('--beta');
          const parsedOptions = { force: forceFlag, beta: betaFlag };

          assert.deepStrictEqual(
            parsedOptions,
            testCase.expected,
            `Failed for ${testCase.description}: expected ${JSON.stringify(testCase.expected)}, got ${JSON.stringify(parsedOptions)}`
          );
        }
      });
    });
  });
});