import type { InitOptions } from '../../../src/commands/init'
import { describe, expect, it } from 'vitest'

/**
 * Fast unit tests for init command parameter validation
 * These tests only validate parameter logic without executing the actual init process
 */
describe('init command parameter validation (fast)', () => {
  describe('parameter parsing and validation', () => {
    it('should validate apiType values', () => {
      const validTypes = ['api_key', 'auth_token', 'ccr_proxy', 'skip']
      const invalidTypes = ['invalid', 'wrong', '', null, undefined]

      validTypes.forEach((type) => {
        const options = { apiType: type } as InitOptions
        expect(['api_key', 'auth_token', 'ccr_proxy', 'skip']).toContain(options.apiType)
      })

      invalidTypes.forEach((type) => {
        const options = { apiType: type } as InitOptions
        expect(['api_key', 'auth_token', 'ccr_proxy', 'skip']).not.toContain(options.apiType)
      })
    })

    it('should handle allLang parameter correctly', () => {
      // Test supported languages
      const supportedLangs = ['en', 'zh-CN']
      supportedLangs.forEach((lang) => {
        const options = { allLang: lang } as InitOptions
        expect(options.allLang).toBe(lang)
      })

      // Test unsupported language falls back to en for config
      const options = { allLang: 'fr' } as InitOptions
      expect(options.allLang).toBe('fr') // Should preserve original value
    })

    it('should parse string boolean values correctly', () => {
      // Test string boolean parsing logic
      const stringTrue = 'true'
      const stringFalse = 'false'
      const actualTrue = true
      const actualFalse = false

      // Simulate the parsing logic that would happen in init
      expect(stringTrue === 'true' || stringTrue === true).toBe(true)
      expect(stringFalse === 'false' || stringFalse === false).toBe(true)
      expect(actualTrue === true).toBe(true)
      expect(actualFalse === false).toBe(true)
    })

    it('should validate workflow options', () => {
      const validWorkflows = ['commonTools', 'sixStepsWorkflow', 'featPlanUx', 'gitWorkflow', 'bmadWorkflow']
      const validValues = ['all', 'skip', false, validWorkflows.join(',')]

      validValues.forEach((value) => {
        const options = { workflows: value } as InitOptions
        // Should not throw during basic validation
        expect(options.workflows).toBeDefined()
      })
    })

    it('should validate MCP service options', () => {
      const validServices = ['context7', 'mcp-deepwiki', 'exa']
      const validValues = ['all', 'skip', false, validServices.join(',')]

      validValues.forEach((value) => {
        const options = { mcpServices: value } as InitOptions
        // Should not throw during basic validation
        expect(options.mcpServices).toBeDefined()
      })
    })

    it('should handle combined parameter scenarios', () => {
      // Test realistic parameter combinations
      const scenarios = [
        {
          name: 'minimal config',
          options: { skipPrompt: true, skipBanner: true } as InitOptions,
          expected: { skipPrompt: true, skipBanner: true },
        },
        {
          name: 'API key setup',
          options: {
            skipPrompt: true,
            apiType: 'api_key',
            apiKey: 'sk-test',
            skipBanner: true,
          } as InitOptions,
          expected: { apiType: 'api_key', apiKey: 'sk-test' },
        },
        {
          name: 'full configuration',
          options: {
            skipPrompt: true,
            apiType: 'api_key',
            apiKey: 'sk-test',
            allLang: 'en',
            workflows: 'all',
            mcpServices: 'context7,mcp-deepwiki',
            installCometixLine: true,
            skipBanner: true,
          } as InitOptions,
          expected: {
            apiType: 'api_key',
            allLang: 'en',
            workflows: 'all',
            mcpServices: 'context7,mcp-deepwiki',
            installCometixLine: true,
          },
        },
      ]

      scenarios.forEach(({ options, expected }) => {
        // Validate that options contain expected values
        Object.entries(expected).forEach(([key, value]) => {
          expect(options[key as keyof InitOptions]).toBe(value)
        })
      })
    })
  })

  describe('error validation scenarios', () => {
    it('should identify missing required parameters', () => {
      const scenarios = [
        {
          options: { skipPrompt: true, apiType: 'api_key' }, // Missing apiKey
          expectedError: 'apiKey required when apiType is api_key',
        },
        {
          options: { skipPrompt: true, apiType: 'auth_token' }, // Missing apiKey
          expectedError: 'apiKey required when apiType is auth_token',
        },
      ]

      scenarios.forEach(({ options }) => {
        // Simulate validation logic
        if (options.apiType === 'api_key' || options.apiType === 'auth_token') {
          expect((options as any).apiKey).toBeUndefined() // This would trigger validation error
        }
      })
    })

    it('should validate parameter format constraints', () => {
      // Test parameter format validation
      const invalidScenarios = [
        { apiType: 'invalid-type' },
        { workflows: 'invalid-workflow' },
        { mcpServices: 'invalid-service' },
        { allLang: 123 }, // Wrong type
      ]

      invalidScenarios.forEach((scenario) => {
        // These would fail validation in the actual init function
        expect(typeof scenario).toBe('object')
      })
    })
  })

  describe('parameter processing logic', () => {
    it('should process comma-separated values correctly', () => {
      const csvString = 'item1,item2,item3'
      const expected = ['item1', 'item2', 'item3']

      const result = csvString.split(',').map(s => s.trim())
      expect(result).toEqual(expected)
    })

    it('should handle special values (all, skip, false)', () => {
      const specialValues = ['all', 'skip', false, 'false']

      specialValues.forEach((value) => {
        // Test that special values are recognized
        const isSpecial = value === 'all' || value === 'skip' || value === false || value === 'false'
        expect(isSpecial).toBe(true)
      })
    })

    it('should normalize boolean-like strings', () => {
      const testCases = [
        { input: 'true', expected: true },
        { input: 'false', expected: false },
        { input: true, expected: true },
        { input: false, expected: false },
      ]

      testCases.forEach(({ input, expected }) => {
        // Simulate boolean normalization logic
        const normalized = input === 'true' || input === true
        expect(normalized).toBe(expected)
      })
    })
  })
})
