import { FactoryType } from "locklift/internal/factory";
import { Address, Contract, Locklift } from "locklift";
import {
  AccountWithSigner,
  AddExistingAccountParams,
  CreateAccountParams,
  CreateAccountParamsWithoutPk,
  DeployContractParams,
  DeployContractResponse,
  DeployType,
  SaveAccount,
  TagFile,
  WriteDeployInfo,
} from "./types";
import path from "path";
import fs from "fs-extra";
import { concatMap, defer, from, lastValueFrom, mergeMap, of, tap, toArray } from "rxjs";
import { calculateDependenciesCount, isT } from "./utils";
import { Logger } from "./logger";
import { Transaction } from "locklift/everscale-provider";
import _ from "lodash";

export class Deployments<T extends FactoryType = FactoryType> {
  deploymentsStore: Record<string, Contract<any>> = {};
  accountsStore: Record<string, AccountWithSigner> = {};
  private deployTypeSettings: { type: DeployType; forceDeploy: boolean } = {
    type: DeployType.DEPLOY,
    forceDeploy: false,
  };
  // private readonly pathToLogFile: string;
  private readonly pathToNetworkFolder: string;
  private readonly logger = new Logger();
  constructor(
    private readonly locklift: Locklift<T>,
    // private readonly deployFolderPath: string,
    private readonly tags: Array<TagFile>,
    private readonly network: string,
    private readonly networkId: number,
  ) {
    this.pathToNetworkFolder = path.join("deployments", this.network);

    fs.ensureDirSync(this.pathToNetworkFolder);
    fs.writeFileSync(
      `${this.pathToNetworkFolder}/.networkInfo.json`,
      JSON.stringify({ chainId: this.networkId }, null, 4),
    );
  }

  private getLogContent = (): Array<WriteDeployInfo> => {
    const files = fs.readdirSync(this.pathToNetworkFolder);
    return files
      .filter((file) => file.endsWith("json"))
      .map((fileName) => {
        try {
          const deployInfo = JSON.parse(
            fs.readFileSync(path.join(this.pathToNetworkFolder, fileName), "utf-8"),
          ) as WriteDeployInfo;
          if (deployInfo.type === "Contract" || deployInfo.type === "Account") {
            return deployInfo;
          }
        } catch {}
      })
      .filter(isT);
  };

  private getAccountOrContractFilePath = (deploymentName: string, type: "Account" | "Contract") =>
    path.join(this.pathToNetworkFolder, `${type}__${deploymentName}.json`);

  private writeDeployInfo = <T extends AddExistingAccountParams>(deployInfo: WriteDeployInfo, enableLogs: boolean) => {
    if (this.deployTypeSettings.type === DeployType.DEPLOY) {
      const fileName = this.getAccountOrContractFilePath(deployInfo.deploymentName, deployInfo.type);
      fs.writeFileSync(fileName, JSON.stringify(deployInfo, null, 4));
    }
    if (enableLogs) {
      this.logger.printDeployLog(deployInfo);
    }
  };
  needToRedeploy = (deploymentsName: string, type: "Contract" | "Account"): boolean => {
    if (this.deployTypeSettings.forceDeploy) {
      return true;
    }
    if (type === "Contract") {
      return !this.deploymentsStore[deploymentsName];
    }
    return !this.accountsStore[deploymentsName];

    // return (
    //   this.deployTypeSettings.forceDeploy &&
    //   this.deployTypeSettings.type === DeployType.DEPLOY &&
    //   (!!this.deploymentsStore[deploymentsName] || !!this.accountsStore[deploymentsName])
    // );
  };
  //region contract
  deploy = async ({
    deployConfig,
    deploymentName,
    enableLogs = false,
  }: {
    deployConfig: DeployContractParams<T>;
    deploymentName: string;
    enableLogs?: boolean;
  }): Promise<DeployContractResponse<T>> => {
    if (!this.needToRedeploy(deploymentName, "Contract")) {
      const contract = this.deploymentsStore[deploymentName];
      if (enableLogs) {
        this.logger.printRetrievedLog({
          type: "Contract",
          address: this.deploymentsStore[deploymentName].address.toString(),
          deploymentName,
        });
      }
      return {
        contract: contract as unknown as Contract<T[keyof T]>,
        newlyDeployed: false,
        tx: undefined,
      };
    }

    return this.locklift.factory.deployContract(deployConfig).then(
      async (
        res,
      ): Promise<{
        contract: Contract<T[keyof T]>;
        tx: { transaction: Transaction; output?: Record<string, unknown> | undefined };
        newlyDeployed: true;
      }> => {
        this.setContractToStore({ deploymentName: deploymentName, contract: res.contract });

        this.writeDeployInfo(
          {
            type: "Contract",
            deploymentName,
            abi: JSON.parse(res.contract.abi),
            address: res.contract.address.toString(),
            transaction: res.tx,
            codeHash: await res.contract.getFullState().then((res) => res.state?.codeHash),
            contractName: deployConfig.contract as string,
            //   @ts-ignore
            deployContractParams: deployConfig,
          },
          enableLogs,
        );
        return {
          contract: res.contract,
          tx: res.tx,
          newlyDeployed: true,
        };
      },
    );
  };

  saveContract = async (
    {
      deploymentName,
      address,
      contractName,
    }: {
      deploymentName: string;
      address: string | Address;
      contractName: keyof T;
    },
    enableLogs = false,
  ) => {
    const contract = this.locklift.factory.getDeployedContract(
      contractName,
      typeof address === "string" ? new Address(address) : address,
    );
    this.writeDeployInfo(
      {
        type: "Contract",
        deploymentName,
        address: contract.address.toString(),
        // @ts-ignore

        contractName: contractName,
        abi: JSON.parse(contract.abi),
        codeHash: await contract.getFullState().then((res) => res.state?.codeHash),
      },
      enableLogs,
    );
    this.setContractToStore({ contract, deploymentName });
  };
  private setContractToStore = ({ deploymentName, contract }: { contract: Contract<any>; deploymentName: string }) => {
    this.deploymentsStore[deploymentName] = contract;
  };
  getContract = <T>(contractName: string): Contract<T> => {
    const contract = this.deploymentsStore[contractName];
    if (!contract) {
      throw new Error(
        `Contract ${contractName} not found in deployments store\nList of deployed contracts: \n${Object.keys(
          this.deploymentsStore,
        ).join("\n")}`,
      );
    }
    return contract;
  };
  //endregion

  //region account
  deployAccounts = async (
    accounts: Array<{
      deploymentName: string;
      accountSettings: CreateAccountParamsWithoutPk<T>;
      signerId: string;
    }>,
    enableLogs = false,
  ): Promise<Array<AccountWithSigner>> => {
    return lastValueFrom(
      from(accounts).pipe(
        concatMap((accountSetup) =>
          defer(async () => {
            const { accountSettings, deploymentName, signerId } = accountSetup;

            if (!this.needToRedeploy(deploymentName, "Account")) {
              const { account, signer } = this.accountsStore[deploymentName];
              if (enableLogs) {
                this.logger.printRetrievedLog({
                  type: "Account",
                  address: account.address.toString(),
                  deploymentName,
                });
                return {
                  account: account,
                  signer,
                  deploymentName,
                  newlyDeployed: false,
                };
              }
            }
            const signer = await this.locklift.keystore.getSigner(signerId).then((mayBeSigner) => {
              if (!mayBeSigner) {
                throw new Error(`Signer with signerId ${signerId} not found`);
              }
              return mayBeSigner;
            });
            // @ts-ignore
            const { account } = await this.locklift.factory.accounts.addNewAccount({
              ...accountSettings,
              publicKey: signer.publicKey,
            } as CreateAccountParams<T>);

            this.writeDeployInfo(
              {
                type: "Account",
                address: account.address.toString(),
                deploymentName,
                createAccountParams: {
                  ...accountSettings,
                  publicKey: signer.publicKey,
                } as CreateAccountParams<FactoryType>,
                publicKey: signer.publicKey,
                signerId,
              },
              enableLogs,
            );
            return {
              account,
              signer,
              deploymentName,
              newlyDeployed: true,
            };
          }),
        ),
        tap(({ account, deploymentName, signer }) => {
          this.setAccountToStore({ accountName: deploymentName, account, signer });
        }),
        toArray(),
      ),
    );
  };

  getAccount = (accountName: string): AccountWithSigner => {
    const accountWithSigner = this.accountsStore[accountName];
    if (!accountWithSigner) {
      throw new Error(`Account ${accountName} not found in deployments store`);
    }
    return accountWithSigner;
  };

  saveAccount = async <T extends AddExistingAccountParams>(
    {
      deploymentName,
      signerId,
      address,
      accountSettings,
    }: {
      accountSettings: SaveAccount<T>;
      signerId: string;
      deploymentName: string;
      address: string;
    },
    enableLogs = false,
  ) => {
    const signer = await this.locklift.keystore.getSigner(signerId);
    if (!signer) {
      throw new Error(`Signer not found`);
    }
    this.writeDeployInfo(
      {
        type: "Account",
        address: address,
        signerId,
        deploymentName,
        publicKey: signer.publicKey,
        saveAccountParams: accountSettings,
      },
      enableLogs,
    );

    const account = await this.locklift.factory.accounts.addExistingAccount({
      //   @ts-ignore
      address: new Address(address),
      publicKey: signer.publicKey,
      ...accountSettings,
    });
    this.setAccountToStore({ account, accountName: deploymentName, signer });
  };

  private setAccountToStore = ({ account, accountName, signer }: AccountWithSigner & { accountName: string }) => {
    this.accountsStore[accountName] = { account, signer };
  };
  //endregion
  reset = () => {
    try {
      const files = fs.readdirSync(this.pathToNetworkFolder);
      files.forEach((file) => fs.rmSync(path.join(this.pathToNetworkFolder, file)));
      // reset stores
      this.deploymentsStore = {};
      this.accountsStore = {};
    } catch {}
  };
  load = async () => {
    const accountsAndContracts = this.getLogContent();
    const { contracts, accounts } = {
      accounts: accountsAndContracts.filter(({ type }) => type === "Account") as Array<
        Extract<WriteDeployInfo, { type: "Account" }>
      >,
      contracts: accountsAndContracts.filter(({ type }) => type === "Contract") as Array<
        Extract<WriteDeployInfo, { type: "Contract" }>
      >,
    };
    if (accounts.length > 0) {
      await lastValueFrom(
        from(accounts).pipe(
          mergeMap((deployedAccount) =>
            defer(async () => {
              const accountSigner =
                deployedAccount.signerId && (await this.locklift.keystore.getSigner(deployedAccount.signerId));
              if (!accountSigner) {
                throw new Error(`Signer id ${deployedAccount.signerId} not found`);
              }
              if (accountSigner.publicKey !== deployedAccount.publicKey) {
                throw new Error(
                  `Signer ${deployedAccount.signerId} publicKey doesn't match with account ${deployedAccount.deploymentName} publicKey, did you forgot to set seed phrase in locklift.config.ts ?`,
                );
              }

              const account = await this.locklift.factory.accounts.addExistingAccount({
                ...(deployedAccount.createAccountParams || deployedAccount.saveAccountParams),
                address: new Address(deployedAccount.address),
                publicKey: accountSigner.publicKey,
              } as AddExistingAccountParams);

              this.setAccountToStore({
                accountName: deployedAccount.deploymentName,
                account,
                signer: accountSigner,
              });
            }),
          ),
        ),
      );
    }

    contracts.forEach(({ deploymentName, contractName, address }) => {
      this.setContractToStore({
        deploymentName: deploymentName,
        contract: this.locklift.factory.getDeployedContract(contractName, new Address(address)),
      });
    });
  };

  fixture = (fixtureConfig?: { include?: Array<string>; exclude?: Array<string> }) => {
    this.deployTypeSettings = {
      forceDeploy: true,
      type: DeployType.FIXTURE,
    };
    return this._deployTags(fixtureConfig);
  };
  private deployTags = (fixtureConfig?: {
    include?: Array<string>;
    exclude?: Array<string>;
    isForceDeploy: boolean;
  }) => {
    this.deployTypeSettings = {
      forceDeploy: fixtureConfig?.isForceDeploy || false,
      type: DeployType.DEPLOY,
    };
    return this._deployTags(fixtureConfig);
  };
  private _deployTags = async (fixtureConfig?: { include?: Array<string>; exclude?: Array<string> }) => {
    const { include, exclude } = fixtureConfig || {};
    if (include && exclude) {
      throw new Error("includes and excludes can't be defined together");
    }

    const deploymentsConfig = this.tags
      .filter(isT)
      .map((el, idx, arr) => ({ ...el, dependenciesCount: calculateDependenciesCount(arr, el.tag, el.tag) }));

    const includedTags = include
      ? deploymentsConfig.filter(({ tag }) => include.some((include) => tag === include))
      : exclude
      ? deploymentsConfig.filter(({ tag }) => !exclude.some((exclude) => exclude === tag))
      : deploymentsConfig;

    const includedTagsWithDeps = _(
      includedTags.reduce((acc, deployment) => {
        acc.push(deployment);

        if ((deployment.dependencies || []).length > 0) {
          acc.push(...deploymentsConfig.filter(({ tag }) => deployment.dependencies?.includes(tag)));
        }
        return acc;
      }, [] as typeof includedTags),
    )
      .unionBy("tag")
      .sort((prev, next) => prev.dependenciesCount.deep - next.dependenciesCount.deep)
      .value();

    if (includedTagsWithDeps.length > 0) {
      await lastValueFrom(
        from(includedTagsWithDeps).pipe(
          concatMap(({ default: deployFunction, tag }) => {
            if (deployFunction && "name" in deployFunction) {
              return deployFunction();
            }
            return of(undefined);
          }),
        ),
      );
    }
  };
}