/**
 * Copyright (c) OpenLens Authors. All rights reserved.
 * Licensed under MIT License. See LICENSE in root directory for more information.
 */

import "./port-forward-dialog.scss";

import React, { Component } from "react";
import { observable, makeObservable } from "mobx";
import { observer } from "mobx-react";
import { Dialog, DialogProps } from "../components/dialog";
import { Wizard, WizardStep } from "../components/wizard";
import { Input } from "../components/input";
import { cssNames } from "../utils";
import type { PortForwardStore } from "./port-forward-store/port-forward-store";
import { openPortForward } from "./port-forward-utils";
import { aboutPortForwarding, notifyErrorPortForwarding } from "./port-forward-notify";
import { Checkbox } from "../components/checkbox";
import { withInjectables } from "@ogre-tools/injectable-react";
import type { PortForwardDialogModel } from "./port-forward-dialog-model/port-forward-dialog-model";
import portForwardDialogModelInjectable from "./port-forward-dialog-model/port-forward-dialog-model.injectable";
import logger from "../../common/logger";
import portForwardStoreInjectable from "./port-forward-store/port-forward-store.injectable";

interface Props extends Partial<DialogProps> {}

interface Dependencies {
  portForwardStore: PortForwardStore,
  model: PortForwardDialogModel
}

@observer
class NonInjectedPortForwardDialog extends Component<Props & Dependencies> {
  @observable currentPort = 0;
  @observable desiredPort = 0;

  constructor(props: Props & Dependencies) {
    super(props);
    makeObservable(this);
  }

  get portForwardStore() {
    return this.props.portForwardStore;
  }

  onOpen = async () => {
    this.currentPort = +this.props.model.portForward.forwardPort;
    this.desiredPort = this.currentPort;
  };

  changePort = (value: string) => {
    this.desiredPort = Number(value);
  };

  startPortForward = async () => {
    let { portForward } = this.props.model;
    const { currentPort, desiredPort } = this;

    try {
      // determine how many port-forwards already exist
      const { length } = this.portForwardStore.getPortForwards();

      portForward.protocol = this.props.model.useHttps ? "https" : "http";

      if (currentPort) {
        const wasRunning = portForward.status === "Active";

        portForward = await this.portForwardStore.modify(portForward, desiredPort);

        if (wasRunning && portForward.status === "Disabled") {
          notifyErrorPortForwarding(`Error occurred starting port-forward, the local port ${portForward.forwardPort} may not be available or the ${portForward.kind} ${portForward.name} may not be reachable`);
        }
      } else {
        portForward.forwardPort = desiredPort;
        portForward = await this.portForwardStore.add(portForward);

        if (portForward.status === "Disabled") {
          notifyErrorPortForwarding(`Error occurred starting port-forward, the local port ${portForward.forwardPort} may not be available or the ${portForward.kind} ${portForward.name} may not be reachable`);
        } else {
          // if this is the first port-forward show the about notification
          if (!length) {
            aboutPortForwarding();
          }
        }
      }

      if (portForward.status === "Active" && this.props.model.openInBrowser) {
        openPortForward(portForward);
      }
    } catch (error) {
      logger.error(`[PORT-FORWARD-DIALOG]: ${error}`, portForward);
    } finally {
      this.props.model.close();
    }
  };

  renderContents() {
    return (
      <>
        <div className="flex column gaps align-left">
          <div className="input-container flex align-center">
            <div className="current-port" data-testid="current-port">
              Local port to forward from:
            </div>
            <Input className="portInput"
              type="number"
              min="0"
              max="65535"
              value={this.desiredPort === 0 ? "" : String(this.desiredPort)}
              placeholder={"Random"}
              onChange={this.changePort}
            />
          </div>
          <Checkbox
            data-testid="port-forward-https"
            label="https"
            value={this.props.model.useHttps}
            onChange={value => this.props.model.useHttps = value}
          />
          <Checkbox
            data-testid="port-forward-open"
            label="Open in Browser"
            value={this.props.model.openInBrowser}
            onChange={value => this.props.model.openInBrowser = value}
          />
        </div>
      </>
    );
  }

  render() {
    const { className, portForwardStore, model, ...dialogProps } = this.props;
    const resourceName = this.props.model.portForward?.name ?? "";
    const header = (
      <h5>
        Port Forwarding for <span>{resourceName}</span>
      </h5>
    );

    return (
      <Dialog
        {...dialogProps}
        isOpen={this.props.model.isOpen}
        className={cssNames("PortForwardDialog", className)}
        onOpen={this.onOpen}
        onClose={model.onClose}
        close={this.props.model.close}
      >
        <Wizard header={header} done={this.props.model.close}>
          <WizardStep
            contentClass="flex gaps column"
            next={this.startPortForward}
            nextLabel={this.currentPort === 0 ? "Start" : "Modify"}
          >
            {this.renderContents()}
          </WizardStep>
        </Wizard>
      </Dialog>
    );
  }
}

export const PortForwardDialog = withInjectables<Dependencies, Props>(
  NonInjectedPortForwardDialog,

  {
    getProps: (di, props) => ({
      portForwardStore: di.inject(portForwardStoreInjectable),
      model: di.inject(portForwardDialogModelInjectable),
      ...props,
    }),
  },
);
