const fs = require('fs')
const core = require('@actions/core')

const { ConfigParser } = require('./config-parser')
const { getTempFolder, compareFiles } = require('./test-helpers')

// Get the temp folder
const tempFolder = getTempFolder()

// Cases to test
const cases = [
  //
  // Direct default export
  //
  {
    property: 'property',
    source: 'export default {}',
    expected: 'export default { property: "value" }'
  },
  {
    property: 'property',
    source: 'export default { property: 0 }', // property exists and is a number
    expected: 'export default { property: "value" }'
  },
  {
    property: 'property',
    source: 'export default { property: false }', // property exists and is a boolean
    expected: 'export default { property: "value" }'
  },
  {
    property: 'property',
    source: 'export default { property: "test" }', // property exists and is a string
    expected: 'export default { property: "value" }'
  },
  {
    property: 'property',
    source: 'export default { property: [1,2] }', // property exists and is an array
    expected: 'export default { property: "value" }'
  },
  {
    property: 'property',
    source: 'export default { property: null }', // property exists and is null
    expected: 'export default { property: "value" }'
  },
  {
    property: 'property',
    source: 'export default { property: { } }', // property exists and is an object
    expected: 'export default { property: "value" }'
  },

  // Deep properties (injection 1)
  {
    property: 'property.b.c',
    source: 'export default {}',
    expected: 'export default { property: { b: { c: "value"  } } }'
  },
  {
    property: 'property.b.c',
    source: 'export default { property: 0 }', // property exists and is a number
    expected: 'export default { property: { b: { c: "value"  } } }'
  },
  {
    property: 'property.b.c',
    source: 'export default { property: { } }', // property exists and is an object
    expected: 'export default { property: { b: { c: "value"  } } }'
  },

  // Deep properties (injection 2)
  {
    property: 'property.b.c',
    source: 'export default { property: { b: 0  } }', // property exists and is a number
    expected: 'export default { property: { b: { c: "value"  } } }'
  },
  {
    property: 'property.b.c',
    source: 'export default { property: { b: { } } }', // property exists and is an object
    expected: 'export default { property: { b: { c: "value"  } } }'
  },
  {
    property: 'property.b.c',
    source: 'export default { property: { b: { hello: 123 } } }', // property exists and is a non-empty object
    expected: 'export default { property: { b: { c: "value", hello: 123  } } }'
  },

  // Deep properties (existing properties)
  {
    property: 'a1.a2',
    source: 'export default { a2: false, a1: { a3: [12] } }', // property exists and is a non-empty object
    expected: 'export default { a2: false, a1: { a2: "value", a3: [12] } }'
  },

  //
  // Indirect default export
  //
  {
    property: 'property',
    source: 'const config = {}; export default config',
    expected: 'const config = { property: "value"}; export default config'
  },
  // with more than 1 declaration chained together
  {
    property: 'property',
    source: 'var temp = {}, config = {}; export default config',
    expected: 'var temp = {}, config = { property: "value"}; export default config'
  },
  // deeper
  {
    property: 'a.b.c',
    source: 'var config = {}; export default config',
    expected: 'var config = { a: { b: { c: "value" } } }; export default config'
  },
  {
    property: 'a.b.c',
    source: 'var config = { a: { b: [], c: "hello" } }; export default config',
    expected: 'var config = { a: { b: { c: "value"}, c: "hello" } }; export default config'
  },

  //
  // Direct module exports
  //
  {
    property: 'property',
    source: 'module.exports = {}',
    expected: 'module.exports = { property: "value"}'
  },
  {
    property: 'property',
    source: 'module.exports = { p1: 0}',
    expected: 'module.exports = { property: "value", p1: 0}'
  },
  {
    property: 'a.b.c',
    source: 'module.exports = { p1: 0}',
    expected: 'module.exports = { a: { b: { c: "value"  } }, p1: 0}'
  },

  //
  // Indirect module exports
  //
  {
    property: 'property',
    source: 'const config = {}; module.exports = config',
    expected: 'const config = { property: "value"}; module.exports = config'
  },
  // with more than 1 declaration chained together
  {
    property: 'property',
    source: 'var temp = {}, config = {}; module.exports = config',
    expected: 'var temp = {}, config = { property: "value"}; module.exports = config'
  },
  // deeper
  {
    property: 'a.b.c',
    source: 'var config = {}; module.exports = config',
    expected: 'var config = { a: { b: { c: "value" } } }; module.exports = config'
  },
  {
    property: 'a.b.c',
    source: 'var config = { a: { b: [], c: "hello" } }; module.exports = config',
    expected: 'var config = { a: { b: { c: "value"}, c: "hello" } }; module.exports = config'
  },

  //
  // Direct default export with wrapping call
  //
  {
    property: 'property',
    source: 'import { defineConfig } from "astro/config"; export default defineConfig({ p1: 0 })',
    expected: 'import { defineConfig } from "astro/config"; export default defineConfig({ property: "value", p1: 0 })',
    allowWrappingCall: true
  },

  //
  // Direct module exports with wrapping call
  //
  {
    property: 'property',
    source: 'const { defineConfig } = require("astro/config"); module.exports = defineConfig({ p1: 0 })',
    expected:
      'const { defineConfig } = require("astro/config"); module.exports = defineConfig({ property: "value", p1: 0 })',
    allowWrappingCall: true
  },

  //
  // Indirect default export with wrapping call at the definition
  //
  {
    property: 'property',
    source: 'import { defineConfig } from "astro/config"; const config = defineConfig({}); export default config',
    expected:
      'import { defineConfig } from "astro/config"; const config = defineConfig({ property: "value" }); export default config',
    allowWrappingCall: true
  },
  // with more than 1 declaration chained together
  {
    property: 'property',
    source:
      'import { defineConfig } from "astro/config"; const temp = {}, config = defineConfig({}); export default config',
    expected:
      'import { defineConfig } from "astro/config"; const temp = {}, config = defineConfig({ property: "value" }); export default config',
    allowWrappingCall: true
  },

  //
  // Indirect default export with wrapping call at the export
  //
  {
    property: 'property',
    source: 'import { defineConfig } from "astro/config"; const config = {}; export default defineConfig(config)',
    expected:
      'import { defineConfig } from "astro/config"; const config = { property: "value" }; export default defineConfig(config)',
    allowWrappingCall: true
  },
  // with more than 1 declaration chained together
  {
    property: 'property',
    source:
      'import { defineConfig } from "astro/config"; const temp = {}, config = {}; export default defineConfig(config)',
    expected:
      'import { defineConfig } from "astro/config"; const temp = {}, config = { property: "value" }; export default defineConfig(config)',
    allowWrappingCall: true
  },

  //
  // Indirect module exports with wrapping call at the definition
  //
  {
    property: 'property',
    source:
      'const { defineConfig } = require("astro/config"); const config = defineConfig({}); module.exports = config',
    expected:
      'const { defineConfig } = require("astro/config"); const config = defineConfig({ property: "value"}); module.exports = config',
    allowWrappingCall: true
  },
  // with more than 1 declaration chained together
  {
    property: 'property',
    source:
      'const { defineConfig } = require("astro/config"); const temp = {}, config = defineConfig({}); module.exports = config',
    expected:
      'const { defineConfig } = require("astro/config"); const temp = {}, config = defineConfig({ property: "value"}); module.exports = config',
    allowWrappingCall: true
  },

  //
  // Indirect module exports with wrapping call at the export
  //
  {
    property: 'property',
    source:
      'const { defineConfig } = require("astro/config"); const config = {}; module.exports = defineConfig(config)',
    expected:
      'const { defineConfig } = require("astro/config"); const config = { property: "value"}; module.exports = defineConfig(config)',
    allowWrappingCall: true
  },
  // with more than 1 declaration chained together
  {
    property: 'property',
    source:
      'const { defineConfig } = require("astro/config"); const temp = {}, config = {}; module.exports = defineConfig(config)',
    expected:
      'const { defineConfig } = require("astro/config"); const temp = {}, config = { property: "value"}; module.exports = defineConfig(config)',
    allowWrappingCall: true
  }
]

describe('config-parser', () => {
  beforeEach(() => {
    jest.restoreAllMocks()

    // Mock error/warning/info/debug to silence their output
    jest.spyOn(core, 'error').mockImplementation(jest.fn())
    jest.spyOn(core, 'warning').mockImplementation(jest.fn())
    jest.spyOn(core, 'info').mockImplementation(jest.fn())
    jest.spyOn(core, 'debug').mockImplementation(jest.fn())
  })

  cases.forEach(({ property, source, expected, allowWrappingCall = false }, index) => {
    it(`injects path properly for case #${index}`, () => {
      // Write the source file
      const sourceFile = `${tempFolder}/source.js`
      fs.writeFileSync(sourceFile, source, { encoding: 'utf8' })

      // Write the expected file
      const expectedFile = `${tempFolder}/expected.js`
      fs.writeFileSync(expectedFile, expected, { encoding: 'utf8' })

      // Update the settings and do the injection
      new ConfigParser({
        configurationFile: sourceFile,
        allowWrappingCall
      }).inject(property, 'value')

      // Compare the files
      compareFiles(sourceFile, expectedFile)
    })
  })
})