import React from "react";
import styled from "styled-components";
import PropTypes from "prop-types";
import isEqual from "lodash/isEqual";

import { tablet } from "../../utils/device";
import InputBlock from "../input-block";
import { Icons } from "../icons";
import Link from "../link";
import Text from "../text";
import Tooltip from "../tooltip";

// eslint-disable-next-line no-unused-vars
const SimpleInput = ({ onValidateInput, onCopyToClipboard, ...props }) => (
  <div {...props}></div>
);

SimpleInput.propTypes = {
  onValidateInput: PropTypes.func,
  onCopyToClipboard: PropTypes.func
};

const StyledInput = styled(SimpleInput)`
  display: flex;
  align-items: center;
  line-height: 32px;
  flex-direction: row;
  flex-wrap: wrap;

  @media ${tablet} {
    flex-wrap: wrap;
  }

  .append {
    padding-right: 8px;
  }
`;

const PasswordProgress = styled.div`
  ${props => (props.inputWidth ? `width: ${props.inputWidth};` : `flex: auto;`)}

  .input-relative {
    position: relative;

    svg {
      overflow: hidden;
      vertical-align: middle;
    }
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
`;

const NewPasswordButton = styled.div`
  margin: 0 16px;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);

  svg {
    overflow: hidden;
    vertical-align: middle;
    margin-bottom: 4px;
  }

  :hover {
    cursor: pointer;
  }
`;

const CopyLink = styled.div`
  margin-top: -6px;

  @media ${tablet} {
    width: 100%;
    margin-left: 0px;
    margin-top: -1px;
  }
`;

const TooltipStyle = styled.div`
  .__react_component_tooltip {
  }
`;
const Progress = styled.div`
  border: 1.5px solid
    ${props =>
      !props.isDisabled && props.progressColor
        ? props.progressColor
        : "transparent"};
  border-radius: 2px;
  margin-top: -1px;
  width: ${props => (props.progressWidth ? props.progressWidth + "%" : "0%")};
`;

const StyledTooltipContainer = styled(Text)`
  //margin: 8px 16px 16px 16px;
`;

const StyledTooltipItem = styled(Text)`
  margin-left: 8px;
  height: 24px;
  color: ${props => (props.valid ? "#44bb00" : "#B40404")};
`;

class PasswordInput extends React.Component {
  constructor(props) {
    super(props);

    const { inputValue, inputType, clipActionResource, emailInputName } = props;

    this.ref = React.createRef();
    this.refTooltip = React.createRef();

    this.state = {
      type: inputType,
      progressColor: "transparent",
      progressWidth: 0,
      inputValue: inputValue,
      copyLabel: clipActionResource,
      disableCopyAction: emailInputName ? false : true,
      displayTooltip: false,
      validLength: false,
      validDigits: false,
      validCapital: false,
      validSpecial: false
    };
  }

  onBlur = () => {
    this.refTooltip.current.hideTooltip();
  };

  changeInputType = () => {
    this.refTooltip.current.hideTooltip();
    const newType = this.state.type === "text" ? "password" : "text";

    this.setState({
      type: newType
    });
  };

  testStrength = value => {
    const { generatorSpecial, passwordSettings } = this.props;
    const specSymbols = new RegExp("[" + generatorSpecial + "]");

    let capital;
    let digits;
    let special;

    passwordSettings.upperCase
      ? (capital = /[A-Z]/.test(value))
      : (capital = true);

    passwordSettings.digits ? (digits = /\d/.test(value)) : (digits = true);

    passwordSettings.specSymbols
      ? (special = specSymbols.test(value))
      : (special = true);

    return {
      digits: digits,
      capital: capital,
      special: special,
      length: value.trim().length >= passwordSettings.minLength
    };
  };

  checkPassword = value => {
    const greenColor = "#44bb00";
    const redColor = "#B40404";
    const passwordValidation = this.testStrength(value);
    const progressScore =
      passwordValidation.digits &&
      passwordValidation.capital &&
      passwordValidation.special &&
      passwordValidation.length;
    const progressWidth =
      (value.trim().length * 100) / this.props.passwordSettings.minLength;
    const progressColor = progressScore
      ? greenColor
      : value.length === 0
      ? "transparent"
      : redColor;

    this.props.onValidateInput && this.props.onValidateInput(progressScore);

    this.setState({
      progressColor: progressColor,
      progressWidth: progressWidth > 100 ? 100 : progressWidth,
      inputValue: value,
      validLength: passwordValidation.length,
      validDigits: passwordValidation.digits,
      validCapital: passwordValidation.capital,
      validSpecial: passwordValidation.special
    });
  };

  onChangeAction = e => {
    this.props.onChange && this.props.onChange(e);

    if (this.props.simpleView) {
      this.setState({
        inputValue: e.target.value
      });
      return;
    }

    this.checkPassword(e.target.value);
  };

  onGeneratePassword = e => {
    if (this.props.isDisabled) return e.preventDefault();

    const newPassword = this.getNewPassword();

    if (this.state.type !== "text") {
      this.setState({
        type: "text"
      });
    }

    this.checkPassword(newPassword);
    this.props.onChange &&
      this.props.onChange({ target: { value: newPassword } });
  };

  getNewPassword = () => {
    const { passwordSettings, generatorSpecial } = this.props;

    const length = passwordSettings.minLength;
    const string = "abcdefghijklmnopqrstuvwxyz";
    const numeric = "0123456789";
    const special = generatorSpecial;

    let password = "";
    let character = "";

    while (password.length < length) {
      const a = Math.ceil(string.length * Math.random() * Math.random());
      const b = Math.ceil(numeric.length * Math.random() * Math.random());
      const c = Math.ceil(special.length * Math.random() * Math.random());

      let hold = string.charAt(a);

      if (passwordSettings.upperCase) {
        hold = password.length % 2 == 0 ? hold.toUpperCase() : hold;
      }

      character += hold;

      if (passwordSettings.digits) {
        character += numeric.charAt(b);
      }

      if (passwordSettings.specSymbols) {
        character += special.charAt(c);
      }

      password = character;
    }

    password = password
      .split("")
      .sort(() => 0.5 - Math.random())
      .join("");

    return password.substr(0, length);
  };

  copyToClipboard = emailInputName => {
    const {
      clipEmailResource,
      clipPasswordResource,
      clipActionResource,
      clipCopiedResource,
      isDisabled,
      onCopyToClipboard
    } = this.props;
    const { disableCopyAction, inputValue } = this.state;

    if (isDisabled || disableCopyAction) return event.preventDefault();

    this.setState({
      disableCopyAction: true,
      copyLabel: clipCopiedResource
    });

    const textField = document.createElement("textarea");
    const emailValue = document.getElementsByName(emailInputName)[0].value;
    const formattedText =
      clipEmailResource +
      emailValue +
      " | " +
      clipPasswordResource +
      inputValue;

    textField.innerText = formattedText;
    document.body.appendChild(textField);
    textField.select();
    document.execCommand("copy");
    textField.remove();

    onCopyToClipboard && onCopyToClipboard(formattedText);

    setTimeout(() => {
      this.setState({
        disableCopyAction: false,
        copyLabel: clipActionResource
      });
    }, 2000);
  };

  shouldComponentUpdate(nextProps, nextState) {
    return !isEqual(this.props, nextProps) || !isEqual(this.state, nextState);
  }

  render() {
    //console.log('PasswordInput render()');
    const {
      inputName,
      isDisabled,
      scale,
      size,
      tooltipPasswordTitle,
      tooltipPasswordLength,
      tooltipPasswordDigits,
      tooltipPasswordCapital,
      tooltipPasswordSpecial,
      emailInputName,
      inputWidth,
      passwordSettings,
      hasError,
      hasWarning,
      placeholder,
      tabIndex,
      maxLength,
      onValidateInput,
      id,
      autoComplete,
      className,
      tooltipOffsetLeft,
      style,
      simpleView,
      hideNewPasswordButton
    } = this.props;
    const {
      type,
      progressColor,
      progressWidth,
      inputValue,
      copyLabel,
      validLength,
      validDigits,
      validCapital,
      validSpecial,
      disableCopyAction
    } = this.state;

    const iconsColor = isDisabled ? "#D0D5DA" : "#A3A9AE";
    const iconName = type === "password" ? "EyeOffIcon" : "EyeIcon";

    const tooltipContent = (
      <StyledTooltipContainer forwardedAs="div" title={tooltipPasswordTitle}>
        {tooltipPasswordTitle}
        <StyledTooltipItem
          forwardedAs="div"
          title={tooltipPasswordLength}
          valid={validLength}
        >
          {tooltipPasswordLength}
        </StyledTooltipItem>
        {passwordSettings.digits && (
          <StyledTooltipItem
            forwardedAs="div"
            title={tooltipPasswordDigits}
            valid={validDigits}
          >
            {tooltipPasswordDigits}
          </StyledTooltipItem>
        )}
        {passwordSettings.upperCase && (
          <StyledTooltipItem
            forwardedAs="div"
            title={tooltipPasswordCapital}
            valid={validCapital}
          >
            {tooltipPasswordCapital}
          </StyledTooltipItem>
        )}
        {passwordSettings.specSymbols && (
          <StyledTooltipItem
            forwardedAs="div"
            title={tooltipPasswordSpecial}
            valid={validSpecial}
          >
            {tooltipPasswordSpecial}
          </StyledTooltipItem>
        )}
      </StyledTooltipContainer>
    );

    const inputGroup = (
      <>
        <InputBlock
          className="input-relative"
          id={id}
          name={inputName}
          hasError={hasError}
          isDisabled={isDisabled}
          iconName={iconName}
          value={inputValue}
          onIconClick={this.changeInputType}
          onChange={this.onChangeAction}
          scale={scale}
          size={size}
          type={type}
          iconColor={`${iconsColor} !important`}
          iconSize={16}
          hoverColor={"#A3A9AE"}
          isIconFill={true}
          onBlur={this.onBlur}
          hasWarning={hasWarning}
          placeholder={placeholder}
          tabIndex={tabIndex}
          maxLength={maxLength}
          autoComplete={autoComplete}
        ></InputBlock>
        <TooltipStyle>
          <Tooltip
            id="tooltipContent"
            effect="solid"
            place="top"
            offsetLeft={tooltipOffsetLeft}
            reference={this.refTooltip}
          >
            {tooltipContent}
          </Tooltip>
        </TooltipStyle>
        <Progress
          progressColor={progressColor}
          progressWidth={progressWidth}
          isDisabled={isDisabled}
        />
      </>
    );

    return (
      <StyledInput
        onValidateInput={onValidateInput}
        className={className}
        style={style}
      >
        {simpleView ? (
          inputGroup
        ) : (
          <>
            <PasswordProgress
              inputWidth={inputWidth}
              data-for="tooltipContent"
              data-tip=""
              data-event="click"
              ref={this.ref}
            >
              {inputGroup}
            </PasswordProgress>
            {!hideNewPasswordButton 
              ? <NewPasswordButton>
                  <Icons.RefreshIcon
                    size="medium"
                    color={iconsColor}
                    isfill={true}
                    onClick={this.onGeneratePassword}
                  />
                </NewPasswordButton>
              : null
            }
            
            <CopyLink>
              <Link
                type="action"
                isHovered={true}
                fontSize="13px"
                color={iconsColor}
                isSemitransparent={disableCopyAction}
                onClick={this.copyToClipboard.bind(this, emailInputName)}
              >
                {copyLabel}
              </Link>
            </CopyLink>
          </>
        )}
      </StyledInput>
    );
  }
}

PasswordInput.propTypes = {
  id: PropTypes.string,
  autoComplete: PropTypes.string,
  inputType: PropTypes.oneOf(["text", "password"]),
  inputName: PropTypes.string,
  emailInputName: PropTypes.string.isRequired,
  inputValue: PropTypes.string,
  onChange: PropTypes.func,
  inputWidth: PropTypes.string,
  hasError: PropTypes.bool,
  hasWarning: PropTypes.bool,
  placeholder: PropTypes.string,
  tabIndex: PropTypes.number,
  maxLength: PropTypes.number,
  className: PropTypes.string,
  style: PropTypes.oneOfType([PropTypes.object, PropTypes.array]),

  isDisabled: PropTypes.bool,
  size: PropTypes.oneOf(["base", "middle", "big", "huge", "large"]),
  scale: PropTypes.bool,
  hideNewPasswordButton: PropTypes.bool,

  clipActionResource: PropTypes.string,
  clipEmailResource: PropTypes.string,
  clipPasswordResource: PropTypes.string,
  clipCopiedResource: PropTypes.string,

  tooltipPasswordTitle: PropTypes.string,
  tooltipPasswordLength: PropTypes.string,
  tooltipPasswordDigits: PropTypes.string,
  tooltipPasswordCapital: PropTypes.string,
  tooltipPasswordSpecial: PropTypes.string,

  generatorSpecial: PropTypes.string,
  passwordSettings: PropTypes.object.isRequired,

  onValidateInput: PropTypes.func,
  onCopyToClipboard: PropTypes.func,

  tooltipOffsetLeft: PropTypes.number,

  simpleView: PropTypes.bool
};

PasswordInput.defaultProps = {
  inputType: "password",
  inputName: "passwordInput",
  autoComplete: "new-password",

  isDisabled: false,
  size: "base",
  scale: true,
  hideNewPasswordButton: false,

  clipEmailResource: "E-mail ",
  clipPasswordResource: "Password ",
  clipCopiedResource: "Copied",

  generatorSpecial: "!@#$%^&*",
  className: "",
  tooltipOffsetLeft: 110,

  simpleView: false
};

export default PasswordInput;