#!/usr/bin/env node

const { strict: assert } = require('assert');
const { appendFileSync } = require('fs');
const { join } = require('path');

const { tokens } = require('../data');

const LONG_ZERO_PREFIX = '0x000000000000';

const { endpoint, searchParams } = function () {
    const urlarg = process.argv.at(-1);
    assert(urlarg !== undefined);

    const url = new URL(urlarg);
    assert(url.pathname.startsWith('/api/v1/'));

    appendFileSync(join(__dirname, 'curl.log'), `${urlarg}\n`, 'utf-8');
    return {
        endpoint: url.pathname.replace('/api/v1/', ''),
        searchParams: url.searchParams
    };
}();

for (const [re, fn] of /** @type {const} */([
    [/^blocks\/([0-9]{1,10})$/, blockNumber => {
        return require(`./blocks_${blockNumber}.json`);
    }],
    [/^tokens\/([\w.]+)$/, tokenId => {
        assert(typeof tokenId === 'string');
        const token = tokens[tokenId];
        if (token === undefined) return undefined;

        return require(`../data/${token.symbol}/getToken.json`);
    }],
    [/^tokens\/([\w.]+)\/balances$/, tokenId => {
        assert(typeof tokenId === 'string');
        const token = tokens[tokenId];
        if (token === undefined)
            return { timestamp: null, balances: [], links: { next: null } };

        const accountId = searchParams.get('account.id');
        assert(accountId !== null);
        const timestamp = searchParams.get('timestamp');
        assert(timestamp !== null);

        return require(`../data/${token.symbol}/getBalanceOfToken_${accountId}.json`);
    }],
    [/^tokens\/([\w.]+)\/nfts\/(\d+)$/, (tokenId, nftNumber) => {
        assert(typeof tokenId === 'string');
        const token = tokens[tokenId];
        if (token === undefined) return undefined;

        return require(`../data/${token.symbol}/getNonFungibleToken_${nftNumber}.json`);
    }],
    [/^accounts\/((0x[0-9a-fA-F]{40})|(0\.0\.\d+))$/, idOrAliasOrEvmAddress => {
        assert(typeof idOrAliasOrEvmAddress === 'string');
        try {
            return require(`../data/getAccount_${idOrAliasOrEvmAddress.toLowerCase()}.json`);
        } catch {
            if (idOrAliasOrEvmAddress.startsWith(LONG_ZERO_PREFIX)) {
                return {
                    account: '0.0.' + parseInt(idOrAliasOrEvmAddress, 16),
                    evm_address: idOrAliasOrEvmAddress,
                };
            }
            if (idOrAliasOrEvmAddress.startsWith('0.0.')) {
                const accountNumber = parseInt(idOrAliasOrEvmAddress.slice(4));
                return {
                    account: idOrAliasOrEvmAddress,
                    evm_address: `0x${accountNumber.toString(16).padStart(40, '0')}`
                };
            }
            return undefined;
        }
    }],
    [/^accounts\/(0\.0\.\d+)\/allowances\/tokens$/, accountId => {
        assert(typeof accountId === 'string');
        const tokenId = searchParams.get('token.id');
        assert(tokenId !== null);
        const spenderId = searchParams.get('spender.id');
        assert(spenderId !== null);

        const token = tokens[tokenId];
        if (token === undefined)
            return { allowances: [], links: { next: null } };

        try {
            return require(`../data/${token.symbol}/getAllowanceForToken_${accountId}_${spenderId}.json`);
        } catch {
            return undefined;
        }
    }],
    [/^accounts\/(0\.0\.\d+)\/allowances\/nfts/, accountId => {
        assert(typeof accountId === 'string');
        const tokenId = searchParams.get('token.id');
        assert(tokenId !== null);
        const spenderId = searchParams.get('account.id');
        assert(spenderId !== null);
        const token = tokens[tokenId];
        if (token === undefined)
            return { allowances: [], links: { next: null } };
        return require(`../data/${token.symbol}/getAllowanceForToken_${accountId}_${spenderId}.json`);
    }],
    [/^accounts\/((0x[0-9a-fA-F]{40})|(0\.0\.\d+))\/tokens/, idOrAliasOrEvmAddress => {
        assert(typeof idOrAliasOrEvmAddress === 'string');
        const tokenId = searchParams.get('token.id');
        assert(tokenId !== null);

        const token = tokens[tokenId];
        if (token === undefined)
            return { tokens: [], links: { next: null } };

        try {
            return require(`../data/${token.symbol}/getTokenRelationship_${idOrAliasOrEvmAddress.toLowerCase()}.json`);
        } catch {
            return undefined;
        }
    }],
])) {
    const match = endpoint.match(re);
    if (match !== null) {
        const response = fn(...match.slice(1));
        if (response !== undefined) {
            console.info(JSON.stringify(response));
            console.info('200');
            return;
        }
        break;
    }
}

console.info(JSON.stringify({ "_status": { "messages": [{ "message": "Not found" }] } }));
console.info('404');