import * as React from "react";
import { connect } from "react-redux";
import {
  Page, Row, LeftPanel, CenterPanel, RightPanel, DocSlug,
} from "../ui/index";
import { mapStateToProps, isPendingInstallation } from "./state_to_props";
import { Photos } from "./images/photos";
import { CameraCalibration } from "./camera_calibration/camera_calibration";
import { FarmwareProps } from "../devices/interfaces";
import { WeedDetector } from "./weed_detector/index";
import { envGet } from "./weed_detector/remote_env/selectors";
import { setActiveFarmwareByName } from "./set_active_farmware_by_name";
import { FarmwareList } from "./farmware_list";
import {
  FarmwareForm, needsFarmwareForm, farmwareHelpText,
} from "./farmware_forms";
import { urlFriendly } from "../util";
import { ToolTips, Actions } from "../constants";
import { FarmwareInfo } from "./farmware_info";
import { Farmwares, FarmwareManifestInfo } from "./interfaces";
import { commandErr } from "../devices/actions";
import { getDevice } from "../device";
import { t } from "../i18next_wrapper";
import { isBotOnline } from "../devices/must_be_online";
import { BooleanSetting } from "../session_keys";
import { Dictionary } from "farmbot";
import { WDENVKey } from "./weed_detector/remote_env/interfaces";

/** Get the correct help text for the provided Farmware. */
const getToolTipByFarmware =
  (farmwares: Farmwares, farmwareName: string | undefined) => {
    if (farmwareName) {
      switch (urlFriendly(farmwareName).replace("-", "_")) {
        case "take_photo":
        case "photos":
          return ToolTips.PHOTOS;
        case "camera_calibration":
          return ToolTips.CAMERA_CALIBRATION;
        case "plant_detection":
        case "weed_detector":
          return ToolTips.WEED_DETECTOR;
        default:
          return farmwareHelpText(getFarmwareByName(farmwares, farmwareName));
      }
    } else {
      return "";
    }
  };

/** Get a documentation link for the provided Farmware if one exists. */
const getDocLinkByFarmware =
  (farmwareName: string | undefined): DocSlug | undefined => {
    if (farmwareName) {
      switch (urlFriendly(farmwareName).replace("-", "_")) {
        case "camera_calibration":
          return "camera-calibration";
        case "plant_detection":
        case "weed_detector":
          return "weed-detection";
      }
    }
  };

/** Get Farmware details for the provided Farmware name. */
const getFarmwareByName =
  (farmwares: Farmwares, farmwareName: string | undefined) => {
    switch (farmwareName) {
      case "Photos":
        return farmwares["take-photo"];
      case "Camera Calibration":
        return farmwares["camera-calibration"];
      case "Weed Detector":
        return farmwares["plant-detection"];
      default:
        return farmwares[farmwareName || ""];
    }
  };

const FARMWARE_NAMES_1ST_PARTY: Dictionary<string> = {
  "take-photo": "Photos",
  "camera-calibration": "Camera Calibration",
  "plant-detection": "Weed Detector",
};

export const getFormattedFarmwareName = (farmwareName: string) =>
  FARMWARE_NAMES_1ST_PARTY[farmwareName] || farmwareName;

export const farmwareUrlFriendly = (farmwareName: string) =>
  urlFriendly(farmwareName).replace(/-/g, "_");

/** Execute a Farmware. */
const run = (farmwareName: string) => () => {
  getDevice().execScript(farmwareName)
    .then(() => { }, commandErr("Farmware execution"));
};

interface BasicFarmwarePageProps {
  farmwareName: string;
  farmware: FarmwareManifestInfo | undefined;
  botOnline: boolean;
}

export const BasicFarmwarePage = ({ farmwareName, farmware, botOnline }:
  BasicFarmwarePageProps) =>
  <div className={"basic-farmware-page"}>
    <button
      className="fb-button green farmware-button"
      disabled={isPendingInstallation(farmware) || !botOnline}
      title={t("Run Farmware")}
      onClick={run(farmwareName)}>
      {t("Run")}
    </button>
    <p>
      {isPendingInstallation(farmware)
        ? t("Pending installation.")
        : t("No inputs provided.")}
    </p>
  </div>;

export class RawFarmwarePage extends React.Component<FarmwareProps, {}> {
  get current() { return this.props.currentFarmware; }

  get botOnline() {
    return isBotOnline(this.props.syncStatus, this.props.botToMqttStatus);
  }

  componentDidMount() {
    if (window.innerWidth > 450) {
      this.props.dispatch({
        type: Actions.SELECT_FARMWARE,
        payload: "Photos"
      });
    }
    const farmwareNames = Object.values(this.props.farmwares).map(x => x.name)
      .concat(Object.keys(FARMWARE_NAMES_1ST_PARTY));
    setActiveFarmwareByName(farmwareNames);
  }

  /** Load Farmware input panel contents for 1st & 3rd party Farmware. */
  getPanelByFarmware(farmwareName: string) {
    const wDEnvGet = (key: WDENVKey) => envGet(key, this.props.wDEnv);
    switch (farmwareUrlFriendly(farmwareName)) {
      case "take_photo":
      case "photos":
        return <Photos
          syncStatus={this.props.syncStatus}
          botToMqttStatus={this.props.botToMqttStatus}
          timeSettings={this.props.timeSettings}
          dispatch={this.props.dispatch}
          images={this.props.images}
          env={this.props.env}
          currentImage={this.props.currentImage}
          imageJobs={this.props.imageJobs} />;
      case "camera_calibration":
        return <CameraCalibration
          syncStatus={this.props.syncStatus}
          dispatch={this.props.dispatch}
          currentImage={this.props.currentImage}
          images={this.props.images}
          wDEnv={this.props.wDEnv}
          env={this.props.env}
          saveFarmwareEnv={this.props.saveFarmwareEnv}
          iteration={wDEnvGet("CAMERA_CALIBRATION_iteration")}
          morph={wDEnvGet("CAMERA_CALIBRATION_morph")}
          blur={wDEnvGet("CAMERA_CALIBRATION_blur")}
          H_LO={wDEnvGet("CAMERA_CALIBRATION_H_LO")}
          S_LO={wDEnvGet("CAMERA_CALIBRATION_S_LO")}
          V_LO={wDEnvGet("CAMERA_CALIBRATION_V_LO")}
          H_HI={wDEnvGet("CAMERA_CALIBRATION_H_HI")}
          S_HI={wDEnvGet("CAMERA_CALIBRATION_S_HI")}
          V_HI={wDEnvGet("CAMERA_CALIBRATION_V_HI")}
          timeSettings={this.props.timeSettings}
          shouldDisplay={this.props.shouldDisplay}
          botToMqttStatus={this.props.botToMqttStatus} />;
      case "plant_detection":
      case "weed_detector":
        return <WeedDetector {...this.props} />;
      default:
        const farmware = getFarmwareByName(this.props.farmwares, farmwareName);
        return farmware && needsFarmwareForm(farmware)
          ? <FarmwareForm farmware={farmware}
            env={this.props.env}
            shouldDisplay={this.props.shouldDisplay}
            saveFarmwareEnv={this.props.saveFarmwareEnv}
            botOnline={this.botOnline}
            dispatch={this.props.dispatch} />
          : <BasicFarmwarePage
            farmwareName={farmwareName}
            farmware={farmware}
            botOnline={this.botOnline} />;
    }
  }

  FarmwareBackButton = (props: { className: string }) => {
    const infoOpen = props.className.includes("farmware-info-open");
    return <i
      className={`back-to-farmware fa fa-arrow-left ${props.className}`}
      onClick={() => infoOpen
        ? this.props.dispatch({
          type: Actions.SET_FARMWARE_INFO_STATE, payload: false
        })
        : this.props.dispatch({
          type: Actions.SELECT_FARMWARE, payload: undefined
        })}
      title={infoOpen ? t("back to farmware") : t("back to farmware list")} />;
  };

  FarmwareInfoButton = (props: { className: string, online: boolean }) =>
    <button
      className={`farmware-info-button fb-button gray ${props.className}`}
      disabled={!props.online}
      title={t("open Farmware info")}
      onClick={() => this.props.dispatch({
        type: Actions.SET_FARMWARE_INFO_STATE, payload: true
      })}>
      {t("farmware info")}
    </button>

  render() {
    const farmware = getFarmwareByName(
      this.props.farmwares, this.current || "take-photo");
    const farmwareOpen = this.current ? "open" : "";
    const online = this.props.botToMqttStatus === "up";
    const infoOpen = (this.props.infoOpen && online) ? "farmware-info-open" : "";
    const activeClasses = [farmwareOpen, infoOpen].join(" ");
    const showFirstParty =
      !!this.props.getConfigValue(BooleanSetting.show_first_party_farmware);
    return <Page className="farmware-page">
      <Row>
        <LeftPanel
          className={`farmware-list-panel ${activeClasses}`}
          title={t("Farmware")}>
          <FarmwareList
            current={this.current}
            dispatch={this.props.dispatch}
            shouldDisplay={this.props.shouldDisplay}
            farmwares={this.props.farmwares}
            installations={this.props.taggedFarmwareInstallations}
            firstPartyFarmwareNames={this.props.firstPartyFarmwareNames}
            showFirstParty={showFirstParty} />
        </LeftPanel>
        <CenterPanel
          className={`farmware-input-panel ${activeClasses}`}
          backButton={<this.FarmwareBackButton className={activeClasses} />}
          title={getFormattedFarmwareName(this.current || "Photos")}>
          {<div className="farmware-input-panel-contents">
            <this.FarmwareInfoButton className={activeClasses} online={online} />
            {this.getPanelByFarmware(this.current ? this.current : "photos")}
          </div>}
        </CenterPanel>
        <RightPanel
          className={`farmware-info-panel ${activeClasses}`}
          backButton={<this.FarmwareBackButton className={activeClasses} />}
          title={t("Information")}
          helpText={getToolTipByFarmware(this.props.farmwares, this.current)
            || ToolTips.PHOTOS}
          docPage={getDocLinkByFarmware(this.current)}
          show={!!farmware}>
          <FarmwareInfo
            dispatch={this.props.dispatch}
            farmware={farmware}
            installations={this.props.taggedFarmwareInstallations}
            shouldDisplay={this.props.shouldDisplay}
            firstPartyFarmwareNames={this.props.firstPartyFarmwareNames}
            showFirstParty={showFirstParty} />
        </RightPanel>
      </Row>
    </Page>;
  }
}

export const FarmwarePage = connect(mapStateToProps)(RawFarmwarePage);