import { Blockchain, SandboxContract, TreasuryContract } from '@ton/sandbox';
import { Cell, toNano } from '@ton/core';
import { MainBalance } from '../wrappers/MainBalance';
import '@ton/test-utils';
import { compile } from '@ton/blueprint';
import { randomAddress } from '@ton/test-utils';
import { fromNano } from 'ton';
import { hex } from "../build/MainBalance.compiled.json";
import contractConfig, { servicePercent, tokenPercent } from '../config/contract.config';
import { calcPercent } from '../scripts/utils';

describe('MainBalance', () => {
    let code: Cell;

    beforeAll(async () => {
        // code = await compile('MainBalance');
        code = Cell.fromBoc(Buffer.from(hex, "hex"))[0];
    });

    let blockchain: Blockchain;
    let owner: SandboxContract<TreasuryContract>;
    let newOwner: SandboxContract<TreasuryContract>;
    let user: SandboxContract<TreasuryContract>;
    let anotherUser: SandboxContract<TreasuryContract>;
    let mainBalance: SandboxContract<MainBalance>;

    let serviceAddress: SandboxContract<TreasuryContract>;
    let tokenAddress: SandboxContract<TreasuryContract>;

    beforeEach(async () => {
        blockchain = await Blockchain.create();

        owner = await blockchain.treasury('owner');
        newOwner = await blockchain.treasury('newOwner');
        user = await blockchain.treasury('user');
        anotherUser = await blockchain.treasury('anotherUser');
        serviceAddress = await blockchain.treasury('serviceAddress');
        tokenAddress = await blockchain.treasury('tokenAddress');

        mainBalance = blockchain.openContract(MainBalance.createFromConfig({
            ownerAddress: owner.address.toString(),
            depositFunds: 0,
            serviceAddress: serviceAddress.address.toString(),
            tokenAddress: tokenAddress.address.toString()
        }, code));

        const deployResult = await mainBalance.sendDeploy(owner.getSender(), toNano(0.05));

        expect(deployResult.transactions).toHaveTransaction({
            from: owner.address,
            to: mainBalance.address,
            deploy: true,
            success: true,
        });

    });

    it('should deploy', async () => {
        // the check is done inside beforeEach
        // blockchain and mainBalance are ready to use
    });

    it("should deposit funds", async () => {
        const depositResult = await mainBalance.sendDeposit(user.getSender(), toNano('10'));

        expect(depositResult.transactions).toHaveTransaction({
            from: user.address,
            to: mainBalance.address,
            success: true,
        });

        expect(+fromNano(await mainBalance.getBalance())).toBeCloseTo(10, 0.05);
        expect(+fromNano(await mainBalance.getDepositFunds())).toBeCloseTo(calcPercent(10, contractConfig.totalFee), 0.05);
    });

    it("should change owner address", async () => {
        await mainBalance.sendChangeOwnerAddress(owner.getSender(), newOwner.address);

        expect((await mainBalance.getOwnerAddress()).toString()).toBe(newOwner.address.toString());
    });

    it("shouldn't change owner address", async () => {
        await mainBalance.sendChangeOwnerAddress(user.getSender(), newOwner.address);

        expect((await mainBalance.getOwnerAddress()).toString()).not.toBe(newOwner.address.toString());
    });

    it("should change only service address", async () => {
        const changeResult = await mainBalance.sendChangeServiceAddress(owner.getSender(), newOwner.address, tokenAddress.address);
        const { serviceAddr } = await mainBalance.getServiceAddress();

        expect(changeResult.transactions).toHaveTransaction({
            from: owner.address,
            to: mainBalance.address,
            success: true,
        });

        expect(serviceAddr.toString()).toBe(newOwner.address.toString());
    });

    it("should transfer service fee", async () => {
        await mainBalance.sendDeposit(user.getSender(), toNano(10));
        await mainBalance.sendDeposit(user.getSender(), toNano(20));
        await mainBalance.sendDeposit(anotherUser.getSender(), toNano(50));

        let totalBalance = 10 + 20 + 50; // 80
        const serviceFee = calcPercent(totalBalance, servicePercent);
        const tokenFee = calcPercent(totalBalance, tokenPercent);

        const tranferResult = await mainBalance.sendTransferServiceFee(owner.getSender(), toNano(serviceFee), toNano(tokenFee));

        expect(tranferResult.transactions).toHaveTransaction({
            from: owner.address,
            to: mainBalance.address,
            success: true,
        });

        expect(+fromNano(await mainBalance.getDepositFunds())).toBe(0);

        expect(tranferResult.transactions).toHaveTransaction({
            from: mainBalance.address,
            to: serviceAddress.address,
            success: true,
        });

        expect(tranferResult.transactions).toHaveTransaction({
            from: mainBalance.address,
            to: tokenAddress.address,
            success: true,
        });
    });

    it("shouldn't transfer service fee when funds exceeded", async () => {
        await mainBalance.sendDeposit(user.getSender(), toNano(10));
        await mainBalance.sendDeposit(user.getSender(), toNano(20));
        await mainBalance.sendDeposit(anotherUser.getSender(), toNano(50));

        let totalBalance = 10 + 20 + 50; // 80
        const serviceFee = calcPercent(totalBalance, servicePercent) + 10;
        const tokenFee = calcPercent(totalBalance, tokenPercent) + 10;

        const tranferResult = await mainBalance.sendTransferServiceFee(owner.getSender(), toNano(serviceFee), toNano(tokenFee));

        expect(tranferResult.transactions).toHaveTransaction({
            from: owner.address,
            to: mainBalance.address,
            success: false,
            exitCode: contractConfig.error.FUNDS_EXCEED
        });
    });

    it("should withdraw user coins", async () => {
        await mainBalance.sendDeposit(user.getSender(), toNano(20));
        await mainBalance.sendDeposit(user.getSender(), toNano(40));
        await mainBalance.sendDeposit(anotherUser.getSender(), toNano(90));

        let totalBalance = 20 + 40 + 90; // 150
        const serviceFee = calcPercent(totalBalance, servicePercent);
        const tokenFee = calcPercent(totalBalance, tokenPercent);

        await mainBalance.sendTransferServiceFee(owner.getSender(), toNano(serviceFee), toNano(tokenFee));
        
        let userWithdrawAmount = toNano(60 - calcPercent(60, contractConfig.totalFee)); // data from backend, - 10% fee

        const withdrawResult = await mainBalance.sendWithdraw(owner.getSender(), user.address, userWithdrawAmount);

        expect(withdrawResult.transactions).toHaveTransaction({
            from: mainBalance.address,
            to: user.address,
            value: userWithdrawAmount,
            success: true,
        });

        expect(+fromNano(await mainBalance.getDepositFunds())).toBe(0);
        console.log("smc balance after transfer fee and withdraw", fromNano(await mainBalance.getBalance()));

        let anotherUserWithdrawAmount = toNano(90 - calcPercent(90, contractConfig.totalFee)); // data from backend, - 10% fee

        const secondWithdrawResult = await mainBalance.sendWithdraw(owner.getSender(), anotherUser.address, anotherUserWithdrawAmount);

        expect(secondWithdrawResult.transactions).toHaveTransaction({
            from: mainBalance.address,
            to: anotherUser.address,
            value: anotherUserWithdrawAmount,
            success: true,
        });

        console.log("smc balance after another withdraw", fromNano(await mainBalance.getBalance()));
    });
});