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package org.apache.james.cli.user;

import java.util.concurrent.Callable;

import org.apache.james.cli.WebAdminCli;
import org.apache.james.httpclient.UserClient;
import org.apache.james.httpclient.model.UserPassword;

import feign.Response;
import picocli.CommandLine;

@CommandLine.Command(
    name = "create",
    description = "Create a new User")
public class UserCreateCommand implements Callable {

    public static final int CREATED_CODE = 204;
    public static final int BAD_REQUEST_CODE = 400;
    public static final int CONFLICT_CODE = 409;

    @CommandLine.ParentCommand UserCommand userCommand;

    @CommandLine.Option(names = "--force", description = "Update a user's password")
    boolean force;

    @CommandLine.Parameters(description = "Username")
    String userName;

    @CommandLine.Option(names = {"-p", "--password"}, description = "Password", arity = "0..1", interactive = true, required = true)
    char[] password;

    @Override
    public Integer call() {
        UserClient userClient = userCommand.fullyQualifiedURL("/users");
        if (force) {
            return updateAUserPassword(userClient);
        } else {
            return createAUser(userClient);
        }
    }

    private Integer createAUser(UserClient userClient) {
        try {
            Response rs = userClient.createAUser(userName, new UserPassword(new String(password)));
            if (rs.status() == CREATED_CODE) {
                userCommand.out.println("The user was created successfully");
                return WebAdminCli.CLI_FINISHED_SUCCEED;
            } else if (rs.status() == BAD_REQUEST_CODE) {
                userCommand.err.println("The user name or the payload is invalid");
                return WebAdminCli.CLI_FINISHED_FAILED;
            } else if (rs.status() == CONFLICT_CODE) {
                userCommand.err.println("The user already exists");
                return WebAdminCli.CLI_FINISHED_FAILED;
            }
            return WebAdminCli.CLI_FINISHED_FAILED;
        } catch (Exception e) {
            e.printStackTrace(userCommand.err);
            return WebAdminCli.CLI_FINISHED_FAILED;
        }
    }

    private Integer updateAUserPassword(UserClient userClient) {
        try {
            Response rs = userClient.updateAUserPassword(userName, new UserPassword(new String(password)));
            if (rs.status() == CREATED_CODE) {
                userCommand.out.println("The user's password was successfully updated");
                return WebAdminCli.CLI_FINISHED_SUCCEED;
            } else if (rs.status() == BAD_REQUEST_CODE) {
                userCommand.err.println("The user name or the payload is invalid");
                return WebAdminCli.CLI_FINISHED_FAILED;
            }
            return WebAdminCli.CLI_FINISHED_FAILED;
        } catch (Exception e) {
            e.printStackTrace(userCommand.err);
            return WebAdminCli.CLI_FINISHED_FAILED;
        }
    }

}