import {ChainType} from "./ChainType";
import {BitcoinRpc} from "../btc/rpc/BitcoinRpc";
import {BitcoinNetwork} from "../btc/BitcoinNetwork";
import {IStorageManager} from "../storage/IStorageManager";
import {StorageObject} from "../storage/StorageObject";

/**
 * A type defining tokens available on the selected chain, indexed by ticker
 *
 * @category Tokens
 */
export type BaseTokenType<T extends string = string> = {
    [ticker in T]: {
        address: string,
        decimals: number,
        displayDecimals?: number
    }
};

/**
 * A comprehensive chain data type for a specific chain
 *
 * @category Chains
 */
export type ChainData<T extends ChainType> = {
    chainId: ChainType["ChainId"],
    chainInterface: T["ChainInterface"],
    btcRelay: T["BtcRelay"],
    chainEvents: T["Events"],
    swapContract: T["Contract"],
    swapDataConstructor: new (data: any) => T["Data"],
    spvVaultContract: T["SpvVaultContract"],
    spvVaultDataConstructor: new (data: any) => T["SpvVaultData"],
    spvVaultWithdrawalDataConstructor: new (data: any) => T["SpvVaultWithdrawalData"],

    defaultVersion?: string,
    versions?: {
        [contractVersion: string]: {
            btcRelay: T["BtcRelay"],
            swapContract: T["Contract"],
            swapDataConstructor: new (data: any) => T["Data"],
            spvVaultContract: T["SpvVaultContract"],
            spvVaultDataConstructor: new (data: any) => T["SpvVaultData"],
            spvVaultWithdrawalDataConstructor: new (data: any) => T["SpvVaultWithdrawalData"],
        }
    }
};

/**
 * An initializer function that returns populated {@link ChainData} for a given chain based on the passed
 *  arguments
 *
 * @category Chains
 */
export type ChainInitializerFn<O, C extends ChainType> = (
    options: O,
    bitcoinRpc: BitcoinRpc<any>,
    network: BitcoinNetwork,
    storageCtor: <T extends StorageObject>(name: string) => IStorageManager<T>
) => ChainData<C>;

/**
 * Chain definition containing
 *
 * @category Chains
 */
export type ChainInitializer<O, C extends ChainType, T extends BaseTokenType> = {
    /**
     * Chain identifier string
     */
    chainId: C["ChainId"],
    /**
     * Initializer function returning the {@link ChainData}
     */
    initializer: ChainInitializerFn<O, C>,
    /**
     * Available tokens on the chain
     */
    tokens: T,
    /**
     * Chain type
     *
     * NOTE: This is just a type reference, should not be used as value
     */
    chainType: C,
    /**
     * The type of the options to be passed to the initializer function
     *
     * NOTE: This is just a type reference, should not be used as value
     */
    options: O
}