import React, { Component } from "react";
import PropTypes from "prop-types";
import { connect } from "react-redux";

import { withRouter } from "react-router-dom";

import clsx from "clsx";

// import tutorials from '../../data/tutorials';
import { alpha } from "@material-ui/core/styles";

import { withStyles } from "@material-ui/core/styles";
import Typography from "@material-ui/core/Typography";
import Tooltip from "@material-ui/core/Tooltip";
import Button from "@material-ui/core/Button";

import { faCheck, faTimes } from "@fortawesome/free-solid-svg-icons";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";

const styles = (theme) => ({
  stepper: {
    width: "calc(100% - 40px)",
    height: "40px",
    borderRadius: "25px",
    padding: "0 20px",
    margin: "20px 0",
    display: "flex",
    justifyContent: "space-between",
  },
  stepperSuccess: {
    backgroundColor: alpha(theme.palette.primary.main, 0.6),
  },
  stepperError: {
    backgroundColor: alpha(theme.palette.error.dark, 0.6),
  },
  stepperOther: {
    backgroundColor: alpha(theme.palette.secondary.main, 0.6),
  },
  color: {
    backgroundColor: "transparent ",
  },
  iconDivSuccess: {
    color: theme.palette.primary.main,
  },
  iconDivError: {
    color: theme.palette.error.dark,
  },
});

class StepperHorizontal extends Component {
  render() {
    var tutorialId = this.props.tutorial._id;
    var status = this.props.status.filter(
      (status) => status._id === tutorialId
    )[0];
    var tasks = status.tasks;
    var error = tasks.filter((task) => task.type === "error").length > 0;
    var success =
      tasks.filter((task) => task.type === "success").length / tasks.length;
    var tutorialStatus = success === 1 ? "Success" : error ? "Error" : "Other";
    var title = this.props.tutorial.title;
    var activeStep = this.props.activeStep;
    return (
      <div style={{ position: "relative" }}>
        {error || success > 0 ? (
          <div
            style={{
              zIndex: -1,
              width: error
                ? "calc(100% - 40px)"
                : `calc(${success * 100}% - 40px)`,
              borderRadius: success === 1 || error ? "25px" : "25px 0 0 25px",
              position: "absolute",
              margin: 0,
              left: 0,
            }}
            className={clsx(
              this.props.classes.stepper,
              error
                ? this.props.classes.stepperError
                : this.props.classes.stepperSuccess
            )}
          ></div>
        ) : null}
        {success < 1 && !error ? (
          <div
            style={{
              zIndex: -2,
              width: `calc(${(1 - success) * 100}% - 40px)`,
              borderRadius: success === 0 ? "25px" : "0px 25px 25px 0",
              position: "absolute",
              margin: 0,
              right: 0,
            }}
            className={clsx(
              this.props.classes.stepper,
              this.props.classes.stepperOther
            )}
          ></div>
        ) : null}
        <div className={this.props.classes.stepper}>
          <Button
            disabled //={tutorialIndex === 0}
            //onClick={() => { this.props.history.push(`/tutorial/${tutorials[tutorialIndex - 1].id}`) }}
          >
            {"<"}
          </Button>
          <Tooltip
            style={{
              display: "flex",
              width: "calc(100% - 64px - 64px)",
              justifyContent: "center",
            }}
            title={title}
            arrow
          >
            <div>
              {tutorialStatus !== "Other" ? (
                <div
                  className={
                    tutorialStatus === "Success" && success === 1
                      ? this.props.classes.iconDivSuccess
                      : this.props.classes.iconDivError
                  }
                  style={{ margin: "auto 10px auto 0" }}
                >
                  <FontAwesomeIcon
                    className={this.props.classes.icon}
                    icon={tutorialStatus === "Success" ? faCheck : faTimes}
                  />
                </div>
              ) : null}
              <Typography
                variant="body2"
                style={{
                  fontWeight: "bold",
                  fontSize: "1.75em",
                  margin: 0,
                  overflow: "hidden",
                  textOverflow: "ellipsis",
                  whiteSpace: "nowrap",
                  color: "rgba(0, 0, 0, 0.54)",
                }}
              >
                {title}
                {title !== this.props.tutorial.steps[activeStep].headline
                  ? ` - ${this.props.tutorial.steps[activeStep].headline}`
                  : null}
              </Typography>
            </div>
          </Tooltip>
          <Button
            disabled //={tutorialIndex + 1 === tutorials.length}
            //onClick={() => { this.props.history.push(`/tutorial/${tutorials[tutorialIndex + 1].id}`) }}
          >
            {">"}
          </Button>
        </div>
      </div>
    );
  }
}

StepperHorizontal.propTypes = {
  status: PropTypes.array.isRequired,
  change: PropTypes.number.isRequired,
  currentTutorialIndex: PropTypes.number.isRequired,
  tutorial: PropTypes.object.isRequired,
  activeStep: PropTypes.number.isRequired,
};

const mapStateToProps = (state) => ({
  change: state.tutorial.change,
  status: state.tutorial.status,
  currentTutorialIndex: state.tutorial.currentIndex,
  activeStep: state.tutorial.activeStep,
  tutorial: state.tutorial.tutorials[0],
});

export default connect(
  mapStateToProps,
  null
)(withRouter(withStyles(styles, { withTheme: true })(StepperHorizontal)));