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

const ut = { name: 'Pagans' };

const apx = {};

apx.generateKey = async (alias, passphrase) => {
    try {
        console.log(`\nGenerating keys for alias: ${alias}`);
        const pgpParams = {
            type: 'ecc',
            curve: 'curve25519',
            userIDs: [{ name: alias }],
            passphrase: passphrase,
            format: 'armored'
        };

        const key = await openpgp.generateKey(pgpParams);
        console.log(`Keys generated successfully for alias: ${alias}`);

        return {
            alias,
            passphrase,
            privatekey: key.privateKey,
            publickey: key.publicKey
        };
    } catch (error) {
        console.error(`Error generating keys for alias: ${alias}`, error);
        return {};
    }
};

apx.createIdentity = async (alias, passphrase) => {
    try {
        const { privatekey, publickey } = await apx.generateKey(alias, passphrase);
        console.log(`Identity created successfully for alias: ${alias}`);
        return { alias, privatekey, publickey };
    } catch (error) {
        console.error(`Error creating identity for alias: ${alias}`, error);
    }
};

apx.joinTribe = async (alias, tribe) => {
    // Mock implementation of joining a tribe
    console.log(`Alias ${alias} joined tribe ${tribe}`);
    return true;
};

apx.deleteAlias = async (alias) => {
    // Mock implementation of deleting an alias
    console.log(`Alias ${alias} deleted`);
    return true;
};

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: { alias: 'adminsmatchit', passphrase: 'adminsmatchitPass' },
    recruiters: { alias: 'recruiter', passphrase: 'recruiterPass' },
    seekers: { alias: 'seeker', passphrase: 'seekerPass' },
    adminrecruiters: { alias: 'adminrecruiter', passphrase: 'adminrecruiterPass' }
};

Object.keys(pagans).forEach(key => {
    pagans[key].headers = {
        xtrkversion: 1,
        xalias: 'anonymous',
        xapp: 'smatchapp',
        xdays: 0,
        xhash: 'anonymous',
        xlang: 'fr',
        xprofils: 'anonymous',
        xtribe: 'smatchit',
        xuuid: '0'
    };
});

const testCases = [
    {
        name: 'Create Identity',
        async run(user) {
            const identity = await apx.createIdentity(user.alias, user.passphrase);
            if (identity) {
                user.privateKey = identity.privatekey;
                user.publicKey = identity.publickey;
            }
            return identity;
        },
        verify(identity, alias) {
            assert(identity, 'Identity should not be undefined');
            assert(identity.alias === alias, 'Alias should match');
            assert(identity.privatekey && identity.privatekey.includes('BEGIN PGP PRIVATE KEY BLOCK'), 'Private key is not valid');
            assert(identity.publickey && identity.publickey.includes('BEGIN PGP PUBLIC KEY BLOCK'), 'Public key is not valid');
        }
    },
    {
        name: 'Join Tribe',
        async run(user) {
            return await apx.joinTribe(user.alias, 'smatchit');
        },
        verify(result) {
            assert(result, 'Joining tribe should return true');
        }
    },
    {
        name: 'Delete Alias',
        async run(user) {
            return await apx.deleteAlias(user.alias);
        },
        verify(result) {
            assert(result, 'Deleting alias should return true');
        }
    }
];

ut.run = async (options) => {
    console.log('Test Pagans Registration and Authentication');

    // Create and test identities for all users
    for (const userKey of Object.keys(pagans)) {
        const user = pagans[userKey];
        console.log(`\n--- Creating and testing identity for ${user.alias} ---`);

        for (const testCase of testCases) {
            console.log(`Running test case: ${testCase.name} for ${user.alias}`);
            try {
                const result = await testCase.run(user);
                if (result) {
                    testCase.verify(result, user.alias);
                    console.log(`Test case ${testCase.name} for ${user.alias} passed`);
                } else {
                    console.error(`Test case ${testCase.name} for ${user.alias} failed: No result returned`);
                }
            } catch (error) {
                console.error(`Test case ${testCase.name} for ${user.alias} failed:`, error);
            }
        }

        console.log(`--- Finished testing for ${user.alias} ---\n`);
    }

    console.log('All test cases ran successfully');
};

module.exports = ut;


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