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

interface MathWallet {
    isMathWallet?: boolean;
    getAccount(): Promise<string>;
    signTransaction(transaction: Transaction): Promise<Transaction>;
    signAllTransactions(transactions: Transaction[]): Promise<Transaction[]>;
}

interface MathWalletWindow extends Window {
    solana?: MathWallet;
}

declare const window: MathWalletWindow;

export interface MathWalletAdapterConfig {}

export const MathWalletName = 'MathWallet' as WalletName<'MathWallet'>;

export class MathWalletAdapter extends BaseSignerWalletAdapter {
    name = MathWalletName;
    url = 'https://mathwallet.org';
    icon =
        'data:image/svg+xml;base64,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';
    readonly supportedTransactionVersions = null;

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

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

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

    get publicKey() {
        return this._publicKey;
    }

    get connecting() {
        return this._connecting;
    }

    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.solana!;

            let account: string;
            try {
                // @TODO: handle if popup is blocked
                account = await wallet.getAccount();
            } 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);
            }

            window.addEventListener('message', this._messaged);

            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> {
        if (this._wallet) {
            window.removeEventListener('message', this._messaged);

            this._wallet = null;
            this._publicKey = null;
        }

        this.emit('disconnect');
    }

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

            try {
                return ((await wallet.signTransaction(transaction)) as T) || transaction;
            } catch (error: any) {
                throw new WalletSignTransactionError(error?.message, error);
            }
        } catch (error: any) {
            this.emit('error', error);
            throw error;
        }
    }

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

            try {
                return ((await wallet.signAllTransactions(transactions)) as T[]) || transactions;
            } catch (error: any) {
                throw new WalletSignTransactionError(error?.message, error);
            }
        } catch (error: any) {
            this.emit('error', error);
            throw error;
        }
    }

    private _messaged = (event: MessageEvent) => {
        const data = event.data;
        if (data && data.origin === 'mathwallet_internal' && data.type === 'lockStatusChanged' && !data.payload) {
            this._disconnected();
        }
    };

    private _disconnected = () => {
        if (this._wallet) {
            window.removeEventListener('message', this._messaged);

            this._wallet = null;
            this._publicKey = null;

            this.emit('error', new WalletDisconnectedError());
            this.emit('disconnect');
        }
    };
}