const assert = require('assert');
const openpgp = require('openpgp');
const dayjs = require('dayjs');

const ut = { name: 'Pagans' };


const apx = {};

apx.generateKey = async (alias, passphrase) => {
  try {
    const pgpParams = {
      type: 'ecc',
      curve: 'curve25519',
      userIDs: [{ name: alias }],
      passphrase: passphrase,
      format: 'armored'
    };

    const key = await openpgp.generateKey(pgpParams);
    return {
      alias,
      passphrase,
      privatekey: key.privateKeyArmored,
      publickey: key.publicKeyArmored
    };
  } catch (error) {
    console.error('Error generating key:', error);
    return {}
  }
};

apx.createIdentity = async (alias, passphrase) => {
  try {
    const { privatekey, publickey } = await apx.generateKey(alias, passphrase);
    return { alias, privatekey, publickey };
  } catch (error) {
    console.error('Error creating identity:', error);
  }
};

apx.clearmsgSignature = async (privateKeyArmored, passphrase, message) => {
  try {
    const { keys: [privateKey] } = await openpgp.decryptKey({
      privateKey: await openpgp.readKey({ armoredKey: privateKeyArmored }),
      passphrase
    });

    const signedMessage = await openpgp.sign({
      message: await openpgp.createMessage({ text: message }),
      signingKeys: privateKey
    });

    return signedMessage;
  } catch (error) {
    console.error('Error signing message:', error);
  }
};

const personData = {};

const apxFunctions = {
  modifyPersonData(alias, newFirstName) {
    if (!personData[alias]) {
      personData[alias] = {};
    }
    personData[alias].firstName = newFirstName;
    return personData[alias];
  },

  checkPersonData(alias, expectedFirstName) {
    return personData[alias] && personData[alias].firstName === expectedFirstName;
  },

  removePersonModification(alias, originalFirstName) {
    if (personData[alias]) {
      personData[alias].firstName = originalFirstName;
    }
    return personData[alias];
  },

  deleteAlias(alias) {
    delete personData[alias];
    return !personData[alias];
  }
};
const pagans={"adminsmatchits":{passphrase:""},"recruiters":{passphrase:""},"seekers":{},"adminrecruiters":{}}

pagans.A.headers = {
  xtrkversion: 1,
  xalias: 'anonymous',
  xapp: 'smatchapp',
  xdays: 0,
  xhash: 'anonymous',
  xlang: 'fr',
  xprofils: 'anonymous',
  xtribe: 'smatchit',
  xuuid: '0'
};
paganA.alias = 'testalias';
paganA.passphrase = 'testpassphrase';
let privateKey, publicKey;
let authHeaders;
const testroutes={}
testroutes.createidentity=(alias,passphrase)=>{
  const mykey=apx.generateKey(alias,passphrase)
  if (!mykey.alias){return testerror}
  Pagans.gertalias(alias) pass test or not
 }


const testCases = [
  {
    name: 'Generate Key',
    async run() {
      const keys = await apx.generateKey(alias, passphrase);
      privateKey = keys.privatekey;
      publicKey = keys.publickey;

      return keys;
    },
    verify(keys) {
      assert(keys, 'Keys should not be undefined');
      assert(keys.privatekey, 'Private key should not be undefined');
      assert(keys.publickey, 'Public key should not be undefined');
      assert(keys.privatekey.includes('BEGIN PGP PRIVATE KEY BLOCK'), 'Private key is not valid');
      assert(keys.publickey.includes('BEGIN PGP PUBLIC KEY BLOCK'), 'Public key is not valid');
    }
  },
  {
    name: 'Create Identity',
    async run(alias) {
      const identity = await apx.createIdentity(alias, passphrase);
      privateKey = identity.privatekey;
      publicKey = identity.publickey;
      Pagans.getalias
      return identity;
    },
    verify(identity) {
      assert(identity, 'Identity should not be undefined');
      assert(identity.alias === alias, 'Alias should match');
      assert(identity.privatekey.includes('BEGIN PGP PRIVATE KEY BLOCK'), 'Private key is not valid');
      assert(identity.publickey.includes('BEGIN PGP PUBLIC KEY BLOCK'), 'Public key is not valid');
    }
  },
  {
    name: 'Authenticate',
    async run() {
      headers.xalias = alias;
      headers.xdays = dayjs().valueOf();
      const msg = `${alias}_${headers.xdays}`;
      headers.xhash = await apx.clearmsgSignature(privateKey, passphrase, msg);

      authHeaders = {
        ...headers,
        xhash: headers.xhash,
        xdays: headers.xdays
      };

      return authHeaders;
    },
    verify(authHeaders) {
      assert(authHeaders, 'Auth headers should not be undefined');
      assert(authHeaders.xhash.includes('BEGIN PGP SIGNED MESSAGE'), 'xhash is not valid');
    }
  },
  {
    name: 'Modify Person Data',
    async run() {
      const newFirstName = 'NewFirstName';
      return apxFunctions.modifyPersonData(alias, newFirstName);
    },
    verify(modifiedData) {
      assert(modifiedData, 'Modified data should not be undefined');
      assert.strictEqual(modifiedData.firstName, 'NewFirstName', 'First name should be updated');
    }
  },
  {
    name: 'Check Person Data',
    async run() {
      const expectedFirstName = 'NewFirstName';
      return apxFunctions.checkPersonData(alias, expectedFirstName);
    },
    verify(isCorrect) {
      assert(isCorrect, 'Person data should be correctly updated');
    }
  },
  {
    name: 'Remove Person Modification',
    async run() {
      const originalFirstName = 'OriginalFirstName';
      return apxFunctions.removePersonModification(alias, originalFirstName);
    },
    verify(modifiedData) {
      assert(modifiedData, 'Modified data should not be undefined');
      assert.strictEqual(modifiedData.firstName, 'OriginalFirstName', 'First name should be reverted');
    }
  },
  {
    name: 'Check Reverted Person Data',
    async run() {
      const expectedFirstName = 'OriginalFirstName';
      return apxFunctions.checkPersonData(alias, expectedFirstName);
    },
    verify(isCorrect) {
      assert(isCorrect, 'Person data should be correctly reverted');
    }
  },
  {
    name: 'Delete Alias',
    async run() {
      return apxFunctions.deleteAlias(alias);
    },
    verify(isDeleted) {
      assert(isDeleted, 'Alias should be deleted');
    }
  }
];

ut.run = async (options) => {
  console.log('Test Pagans Registration and Authentication');
  for (const testCase of testCases) {
    console.log(`Running test case: ${testCase.name}`);
    try {
      /*
      Have a look in routes/pagans.jss
      create personae={4 alias utadminsmatchit ut....}
      forEach()alias=>{
          ut.create(alias)
        } 
       //test perons
       forEach()alias=>{
        join tribe smatchit  === create persons for a tribe
        
        }   
        
      forEach()alias=>W{
        ut.delete(alias)}       
      
      
      
      
        */

      const result = await testCase.run(alias);
      testCase.verify(result);
      console.log(`Test case ${testCase.name} passed`);
    } catch (error) {
      console.error(`Test case ${testCase.name} failed:`, error);
    }
  }
  console.log('All test cases ran successfully');
};

module.exports = ut;

// Run the tests
if (require.main === module) {
  ut.run({ verbose: true }).catch(err => {
    console.error('Test case failed:', err);
  });
}