import type { WalletName } from '@solana/wallet-adapter-base';
import {
    BaseMessageSignerWalletAdapter,
    scopePollingDetectionStrategy,
    WalletAccountError,
    WalletDisconnectionError,
    WalletNotConnectedError,
    WalletNotReadyError,
    WalletPublicKeyError,
    WalletReadyState,
    WalletSignMessageError,
    WalletSignTransactionError,
} from '@solana/wallet-adapter-base';
import type { Transaction } from '@solana/web3.js';
import { PublicKey } from '@solana/web3.js';
import bs58 from 'bs58';

interface Coin98Wallet {
    isCoin98?: boolean;
    signTransaction(transaction: Transaction): Promise<Transaction>;
    isConnected(): boolean;
    connect(): Promise<string[]>;
    disconnect(): Promise<void>;
    request(params: { method: string; params: string | string[] | unknown }): Promise<{
        signature: string;
        publicKey: string;
        signatures: string[];
    }>;
}

interface Coin98Window extends Window {
    coin98?: {
        sol?: Coin98Wallet;
    };
}

declare const window: Coin98Window;

export interface Coin98WalletAdapterConfig {}

export const Coin98WalletName = 'Coin98' as WalletName<'Coin98'>;

export class Coin98WalletAdapter extends BaseMessageSignerWalletAdapter {
    name = Coin98WalletName;
    url = 'https://coin98.com';
    icon =
        'data:image/svg+xml;base64,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';

    private _connecting: boolean;
    private _wallet: Coin98Wallet | null;
    private _publicKey: PublicKey | null;
    private _readyState: WalletReadyState =
        typeof window === 'undefined' || typeof document === 'undefined'
            ? WalletReadyState.Unsupported
            : WalletReadyState.NotDetected;

    constructor(config: Coin98WalletAdapterConfig = {}) {
        super();
        this._connecting = false;
        this._wallet = null;
        this._publicKey = null;

        if (this._readyState !== WalletReadyState.Unsupported) {
            scopePollingDetectionStrategy(() => {
                if (window.coin98?.sol) {
                    this._readyState = WalletReadyState.Installed;
                    this.emit('readyStateChange', this._readyState);
                    return true;
                }
                return false;
            });
        }
    }

    get publicKey() {
        return this._publicKey;
    }

    get connecting() {
        return this._connecting;
    }

    get connected() {
        return !!this._wallet?.isConnected();
    }

    get readyState() {
        return this._readyState;
    }

    async connect(): Promise<void> {
        try {
            if (this.connected || this.connecting) return;
            if (this._readyState !== WalletReadyState.Installed) throw new WalletNotReadyError();

            this._connecting = true;

            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
            const wallet = window.coin98!.sol!;

            let account: string;
            try {
                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
                account = (await wallet.connect())[0]!;
            } catch (error: any) {
                throw new WalletAccountError(error?.message, error);
            }

            let publicKey: PublicKey;
            try {
                publicKey = new PublicKey(account);
            } catch (error: any) {
                throw new WalletPublicKeyError(error?.message, error);
            }

            this._wallet = wallet;
            this._publicKey = publicKey;

            this.emit('connect', publicKey);
        } catch (error: any) {
            this.emit('error', error);
            throw error;
        } finally {
            this._connecting = false;
        }
    }

    async disconnect(): Promise<void> {
        const wallet = this._wallet;
        if (wallet) {
            this._wallet = null;
            this._publicKey = null;

            try {
                await wallet.disconnect();
            } catch (error: any) {
                this.emit('error', new WalletDisconnectionError(error?.message, error));
            }
        }

        this.emit('disconnect');
    }

    async signTransaction(transaction: Transaction): Promise<Transaction> {
        try {
            const wallet = this._wallet;
            if (!wallet) throw new WalletNotConnectedError();

            try {
                const response = await wallet.request({ method: 'sol_sign', params: [transaction] });

                const publicKey = new PublicKey(response.publicKey);
                const signature = bs58.decode(response.signature);

                transaction.addSignature(publicKey, signature);
                return transaction;
            } catch (error: any) {
                throw new WalletSignTransactionError(error?.message, error);
            }
        } catch (error: any) {
            this.emit('error', error);
            throw error;
        }
    }

    async signAllTransactions(transactions: Transaction[]): Promise<Transaction[]> {
        try {
            const wallet = this._wallet;
            if (!wallet) throw new WalletNotConnectedError();

            try {
                const response = await wallet.request({ method: 'sol_signAllTransactions', params: [transactions] });

                const publicKey = new PublicKey(response.publicKey);
                const signatures = response.signatures;

                return transactions.map((transaction, index) => {
                    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
                    const signature = bs58.decode(signatures[index]!);
                    transaction.addSignature(publicKey, signature);
                    return transaction;
                });
            } catch (error: any) {
                throw new WalletSignTransactionError(error?.message, error);
            }
        } catch (error: any) {
            this.emit('error', error);
            throw error;
        }
    }

    async signMessage(message: Uint8Array): Promise<Uint8Array> {
        try {
            const wallet = this._wallet;
            if (!wallet) throw new WalletNotConnectedError();
            try {
                const response = await wallet.request({ method: 'sol_signMessage', params: [message] });

                return bs58.decode(response.signature);
            } catch (error: any) {
                throw new WalletSignMessageError(error?.message, error);
            }
        } catch (error: any) {
            this.emit('error', error);
            throw error;
        }
    }
}
