import { defineStore } from "pinia";
import MulticallJson from "@/assets/contracts/Multicall.json";
import { useWalletStore } from "./wallet";


export const useMultiCallStore = defineStore("multicall", {
    state: () => ({
        config: MulticallJson,
        contract: null,
    }),
    getters: {},
    actions: {
        async init() {
			console.log("-----------init multicall-------------");
			const walletStore = useWalletStore();

            this.contract = new walletStore.web3.eth.Contract(
                this.config.abi,
                this.config.contractAddress
            );
        },
        async aggregate(calls, parameters = {}) {
            const callRequests = calls.map((call) => {
				const callData = call.encodeABI();
				return {
					target: call._parent._address,
					callData,
				};
            });
            
            const { returnData } = await this.contract.methods.aggregate(callRequests).call(parameters);

            return returnData.map((hex, index) => {
				const types = calls[index]._method.outputs.map((o) =>
					o.internalType !== o.type && o.internalType !== undefined ? o : o.type
				);
                const walletStore = useWalletStore();

				let result = walletStore.web3.eth.abi.decodeParameters(types, hex);

				delete result.__length__;

				result = Object.values(result);
				return result.length === 1 ? result[0] : result;
			});
        }
    }
}
);