import { RemixURLResolver } from '../src'
import * as fs from 'fs'
import * as path from 'path'
import * as assert from 'assert'

describe('testRunner', () => {
  describe('# RemixResolve.resolve()', () => {
    describe('* test without AppManager', () => {
      describe('test example_1 [local imports]', () => {
        const urlResolver = new RemixURLResolver()
        const fileName: string = '../remix-url-resolver/tests/example_1/greeter.sol'
        let results: object = {}

        before(done => {
          function handleLocal(pathString: string, filePath: string) {
            // if no relative/absolute path given then search in node_modules folder
            if (pathString && pathString.indexOf('.') !== 0 && pathString.indexOf('/') !== 0) {
              // return handleNodeModulesImport(pathString, filePath, pathString)
              return
            } else {
              const o = { encoding: 'UTF-8' }
              const p = pathString ? path.resolve(pathString, filePath) : path.resolve(pathString, filePath)
              const content = fs.readFileSync(p, o)
              return content
            }
          }
          const localFSHandler = [
            {
              type: 'local',
              match: (url: string) => { return /(^(?!(?:http:\/\/)|(?:https:\/\/)?(?:www.)?(?:github.com)))(^\/*[\w+-_/]*\/)*?(\w+\.sol)/g.exec(url) },
              handle: (match: Array<string>) => { return handleLocal(match[2], match[3]) }
            }
          ]
          urlResolver.resolve(fileName, localFSHandler)
            .then((sources: object) => {
              results = sources
              done()
            })
            .catch((e: Error) => {
              throw e
            })
        })

        it('should have 3 items', () => {
          assert.equal(Object.keys(results).length, 3)
        })
        it('should return contract content of given local path', () => {
          const expt = {
            content: 'pragma solidity ^0.5.0;\nimport "./mortal.sol";\n\ncontract Greeter is Mortal {\n    /* Define variable greeting of the type string */\n    string greeting;\n\n    /* This runs when the contract is executed */\n    constructor(string memory _greeting) public {\n        greeting = _greeting;\n    }\n\n    /* Main function */\n    function greet() public view returns (string memory) {\n        return greeting;\n    }\n}\n',
            cleanURL: '../remix-url-resolver/tests/example_1/greeter.sol',
            type: 'local'
          }
          assert.deepEqual(results, expt)
        })
      })
      // Test github import
      describe('test getting github imports', () => {
        const urlResolver = new RemixURLResolver()
        const fileName: string = 'github.com/MathCody/solidity-examples/greeter/greeter.sol'
        let results: object = {}

        before(done => {
          urlResolver.resolve(fileName)
            .then((sources: object) => {
              results = sources
              done()
            })
            .catch((e: Error) => {
              throw e
            })
        })

        it('should have 3 items', () => {
          assert.equal(Object.keys(results).length, 3)
        })
        it('should return contract content of given github path', () => {
          const expt: object = {
            cleanURL: 'github.com/MathCody/solidity-examples/greeter/greeter.sol',
            content: 'pragma solidity >=0.5.0 <0.6.0;\nimport \"../mortal/mortal.sol\";\n\ncontract Greeter is Mortal {\n    /* Define variable greeting of the type string */\n    string greeting;\n\n    /* This runs when the contract is executed */\n    constructor(string memory _greeting) public {\n        greeting = _greeting;\n    }\n\n    /* Main function */\n    function greet() public view returns (string memory) {\n        return greeting;\n    }\n}\n',
            type: 'github'
          }
          assert.deepEqual(results, expt)
        })
      })
      // Test https imports
      describe('test getting https imports', () => {
        const urlResolver = new RemixURLResolver()
        const fileName: string = 'https://gist.githubusercontent.com/roneilr/7901633d7c2f52957d22/raw/d9b9d54760f6e4f4cfbac4b321bee6a6983a1048/greeter.sol'
        let results: object = {}

        before(done => {
          urlResolver.resolve(fileName)
            .then((sources: object) => {
              results = sources
              done()
            })
            .catch((e: Error) => {
              throw e
            })
        })

        it('should have 3 items', () => {
          assert.equal(Object.keys(results).length, 3)
        })
        it('should return contract content from raw github url', () => {
          const expt: object = {
            content: 'contract mortal {\n    /* Define variable owner of the type address*/\n    address owner;\n\n    /* this function is executed at initialization and sets the owner of the contract */\n    function mortal() { owner = msg.sender; }\n\n    /* Function to recover the funds on the contract */\n    function kill() { if (msg.sender == owner) suicide(owner); }\n}\n\ncontract greeter is mortal {\n    /* define variable greeting of the type string */\n    string greeting;\n\n    /* this runs when the contract is executed */\n    function greeter(string _greeting) public {\n        greeting = _greeting;\n    }\n\n    /* main function */\n    function greet() constant returns (string) {\n        return greeting;\n    }\n}',
            cleanURL: 'https://gist.githubusercontent.com/roneilr/7901633d7c2f52957d22/raw/d9b9d54760f6e4f4cfbac4b321bee6a6983a1048/greeter.sol',
            type: 'https'
          }
          assert.deepEqual(results, expt)
        })
      })

      // Test http imports
      describe('test getting http imports', () => {
        const urlResolver = new RemixURLResolver()
        const fileName: string = 'http://gist.githubusercontent.com/roneilr/7901633d7c2f52957d22/raw/d9b9d54760f6e4f4cfbac4b321bee6a6983a1048/greeter.sol'
        let results: object = {}

        before(done => {
          urlResolver.resolve(fileName)
            .then((sources: object) => {
              results = sources
              done()
            })
            .catch((e: Error) => {
              throw e
            })
        })

        it('should have 3 items', () => {
          assert.equal(Object.keys(results).length, 3)
        })
        it('should return contract content from raw github url', () => {
          const expt: object = {
            content: 'contract mortal {\n    /* Define variable owner of the type address*/\n    address owner;\n\n    /* this function is executed at initialization and sets the owner of the contract */\n    function mortal() { owner = msg.sender; }\n\n    /* Function to recover the funds on the contract */\n    function kill() { if (msg.sender == owner) suicide(owner); }\n}\n\ncontract greeter is mortal {\n    /* define variable greeting of the type string */\n    string greeting;\n\n    /* this runs when the contract is executed */\n    function greeter(string _greeting) public {\n        greeting = _greeting;\n    }\n\n    /* main function */\n    function greet() constant returns (string) {\n        return greeting;\n    }\n}',
            cleanURL: 'http://gist.githubusercontent.com/roneilr/7901633d7c2f52957d22/raw/d9b9d54760f6e4f4cfbac4b321bee6a6983a1048/greeter.sol',
            type: 'http'
          }
          assert.deepEqual(results, expt)
        })
      })
    })
  })
})