import { Button, Divider, List, ListItem, Typography } from "@mui/material";
import Grid from '@mui/material/Grid2';
import { Component, Device, Interaction, User } from "models";
import { getContextKeys, getContextTypes } from "pbHelpers/Context";
import { useDeviceAPI, useGlobalState, useSnackbar } from "providers";
import { useEffect, useState } from "react";
import { useLocation, useParams } from "react-router-dom";
import PageContainer from "./PageContainer";
import { useMobile } from "hooks";
import LoadingScreen from "app/LoadingScreen";
import SmartBreadcrumb from "common/SmartBreadcrumb";
import DeviceActions from "device/DeviceActions";
import { pond, quack } from "protobuf-ts/pond";
import { cloneDeep } from "lodash";
import DeviceOverview from "device/DeviceOverview";
import { DeviceAvailabilityMap, FindAvailablePositions, OffsetAvailabilityMap } from "pbHelpers/DeviceAvailability";
import AddComponentManualDialog from "component/AddComponentManualDialog"; 
import ComponentCard from "component/ComponentCard";
import { sameComponentID, sortComponents } from "pbHelpers/Component";
import { isController } from "pbHelpers/ComponentType";
import { or } from "utils";
import ComponentDiagnostics from "component/ComponentDiagnostics";

export default function DevicePage() {
  const deviceAPI = useDeviceAPI()
  const snackbar = useSnackbar()
  const isMobile = useMobile()
  const deviceID = useParams<{ deviceID: string }>()?.deviceID ?? "";
  const groupID = useParams<{ groupID: string }>()?.groupID ?? "";
  const { state } = useLocation();
  const [{ as, team, user }] = useGlobalState()
  const [device, setDevice] = useState<Device>(state?.device ? Device.create(state.device) : Device.create())
  const [loading, setLoading] = useState(false)
  const [permissions, setPermissions] = useState<pond.Permission[]>([])
  const [preferences, setPreferences] = useState<pond.DevicePreferences>(pond.DevicePreferences.create())
  // const [tags, setTags] = useState<pond.Tag[]>([]);
  const [interactions, setInteractions] = useState<Interaction[]>([]);
  const [prefsMap, setPrefsMap] = useState<Map<string, pond.DeviceComponentPreferences>>(new Map());

  const [cellularUsage, _setCellularUsage] = useState<number>(0);
  const [cellularStatus, _setCellularStatus] = useState<string>("");

  const [availablePositions, setAvailablePositions] = useState<DeviceAvailabilityMap>(new Map());
  const [availableOffsets, setAvailableOffsets] = useState<OffsetAvailabilityMap>(new Map());
  const [displayOrder, setDisplayOrder] = useState<string[]>([]);

  const [components, setComponents] = useState<Map<string, Component>>(new Map());
  const [diagnosticComponents, setDiagnosticComponents] = useState<Component[]>([]);
  // const [components, setComponents] = useState<Component[]>([]);

  const [addComponentManualDialogOpen, setAddComponentManualDialogOpen] = useState(false)

  const loadDevice = () => {
    // console.log("load device page data")
    if (loading) return
    setLoading(true)
    deviceAPI.getPageData(deviceID, getContextKeys(), getContextTypes()).then(resp => {
      let device = Device.any(resp.data.device)
      // console.log(resp.data.device)
      setDevice(device)
      let newPermissions: pond.Permission[] = []
      resp.data.permissions.forEach(perm => {
        if (typeof(perm) === "string" ) {
          const permNumber = pond.Permission[perm as keyof typeof pond.Permission]
          newPermissions.push(permNumber)
        } else {
          newPermissions.push(perm)
        }
      })
      setPermissions(newPermissions)
      let u = User.any(resp.data.user);
      setPreferences(u.preferences)
      // setTags(resp.data.tags)
      resp.data.device?.status?.tagNames
      let newComps: Component[] = []
      resp.data.components.forEach(comp => {
        newComps.push(Component.create(comp))
      })
      let available = FindAvailablePositions(
        newComps,
        device.settings.product
      );
      setAvailablePositions(available.GetAvailability());
      let rawComponents: Array<any> = or(resp.data.components, []);
      let rComponents: Map<string, Component> = new Map();
      let diagComponents: Component[] = [];
      rawComponents.forEach((rawComponent: any) => {
        let component = Component.any(rawComponent);
        rComponents.set(component.key(), component);
        //check if is a diagnostic component
        switch (component.type()) {
          case quack.ComponentType.COMPONENT_TYPE_GRAIN_CABLE:
            if (component.subType() === quack.GrainCableSubtype.GRAIN_CABLE_SUBTYPE_OPI_DIAG) {
              diagComponents.push(component);
            }
        }
      });
      setComponents(rComponents)
      let interactions: Interaction[] = [];
      resp.data.interactions.forEach((interaction: pond.Interaction) => {
        if (
          interaction.settings &&
          interaction.settings.nodeOne > interaction.settings.nodeTwo &&
          interaction.settings.nodeTwo !== 0
        ) {
          //flip operator and send negative comparitor to save
          interaction.settings.conditions.forEach(condition => {
            //coming back from the backend as a string for some reason
            if (condition.comparison.toString() === "RELATIONAL_OPERATOR_GREATER_THAN") {
              condition.comparison = quack.RelationalOperator.RELATIONAL_OPERATOR_LESS_THAN;
            } else {
              condition.comparison = quack.RelationalOperator.RELATIONAL_OPERATOR_GREATER_THAN;
            }
            condition.value = condition.value * -1;
          });
        }
        interactions.push(Interaction.any(interaction));
      });
      setInteractions(interactions);
    }).catch(err => {
      setDevice(Device.create());
      // setComponents(new Map());
      setInteractions([]);
      setAvailablePositions(new Map());
      setPermissions([]);
      setPreferences(pond.UserPreferences.create());
      // setInvalidDevice(true);
      // error(err);
      if (err?.response?.data?.error.includes("not found")) {
        let name = as === team.key() ? team.name() : user.name();
        let warningString = name + " not permitted to view Device " + deviceID;
        let length = getContextTypes().length;
        if (length > 0) {
          warningString = warningString + " through " + getContextTypes()[length - 1];
        }
        snackbar.warning(warningString);
      } else {
        snackbar.error(err);
      }
    })
    .finally(() => setLoading(false));
  }

  useEffect(() => {
    loadDevice()
  }, [deviceID])

  const toggleNotificationPreference = () => {
    let updatedPreferences = cloneDeep(preferences);
    updatedPreferences.notify = !preferences.notify;
    deviceAPI
      .updatePreferences(deviceID, updatedPreferences, getContextKeys(), getContextTypes())
      .then(() => setPreferences(updatedPreferences))
      .catch(() => {
        snackbar.error(
          "Error occured while " +
            (preferences.notify ? "enabling" : "disabling") +
            " notifications"
        );
      });
  };

  if (loading) return (
    <LoadingScreen message="Loading device"/>
  )

  const getUsage = () => {
    let usage = undefined;
    if (cellularStatus && cellularStatus !== "") {
      usage = { status: cellularStatus, bytes: cellularUsage };
    }
    return usage;
  };

  const displayedComponentsBlacklist = [
    quack.ComponentType.COMPONENT_TYPE_POWER,
    quack.ComponentType.COMPONENT_TYPE_MODEM
  ];

  const getOrderedComponents = () => {
    let compsToOrder: Component[] = [];
    Array.from(components.values()).forEach(comp => {
      if (!displayedComponentsBlacklist.includes(comp.settings.type)) {
        compsToOrder.push(comp);
      }
    });
    if (displayOrder.length === compsToOrder.length) {
      return compsToOrder.sort((a, b: Component) => sortComponents(a, b, displayOrder));
    } else {
      return compsToOrder;
    }
  };

  const handleComponentChanged = (component: Component) => {
    let updatedComponents = cloneDeep(components);
    let updatedComponent = cloneDeep(component);
    if (updatedComponents.has(updatedComponent.key())) {
      updatedComponents.set(updatedComponent.key(), updatedComponent);
      setComponents(updatedComponents);
    }
  };

  const componentCards = () => {
    let orderedComponents = getOrderedComponents();
    let sensorComponents: JSX.Element[] = [];
    let controllerComponents: JSX.Element[] = [];
    //let componentCards = [];
    //let hasGPS = false;
    for (let i = 0; i < orderedComponents.length; i++) {
      let c = orderedComponents[i];
      if (displayedComponentsBlacklist.includes(c.settings.type)) {
        continue;
      }
      let id: quack.IComponentID = quack.ComponentID.fromObject({
        type: c.settings.type,
        addressType: c.settings.addressType,
        address: c.settings.address
      });
      let filteredInteractions = interactions.filter(interaction => {
        let isSource = false;
        let isSink = false;
        if (interaction.settings) {
          isSource = sameComponentID(interaction.settings.source, id);
          isSink = sameComponentID(interaction.settings.sink, id);
        }
        return isSource || isSink;
      });
      // if (id.type === quack.ComponentType.COMPONENT_TYPE_GPS) {
      //   hasGPS = true;
      // }
      if (isController(c.settings.type)) {
        controllerComponents.push(
          <ComponentCard
            device={device}
            availablePositions={availablePositions}
            availableOffsets={availableOffsets}
            component={c}
            components={orderedComponents}
            interactions={filteredInteractions}
            permissions={permissions}
            deviceComponentPreferences={prefsMap.get(c.key())}
            key={i}
            refreshCallback={(updatedComponent?: Component) =>
              updatedComponent ? handleComponentChanged(updatedComponent) : loadDevice()
            }
          />
        );
      } else {
        sensorComponents.push(
          <ComponentCard
            device={device}
            availablePositions={availablePositions}
            availableOffsets={availableOffsets}
            component={c}
            components={orderedComponents}
            interactions={filteredInteractions}
            permissions={permissions}
            deviceComponentPreferences={prefsMap.get(c.key())}
            key={i}
            refreshCallback={(updatedComponent?: Component) =>
              updatedComponent ? handleComponentChanged(updatedComponent) : loadDevice()
            }
          />
        );
      }
    }
    return (
      <List>
        <li>
          <Grid container direction="row" justifyContent="space-between">
            <Grid >
              <Typography display="block" variant="h6">
                Sensors
              </Typography>
            </Grid>
            <Grid >
              {/* <FormControlLabel
                label="Show Errors"
                control={
                  <Checkbox
                    checked={showErrors}
                    onChange={() => {
                      //setShowErrors(!showErrors);
                      dispatch({ key: "showErrors", value: !showErrors });
                    }}
                  />
                }
              /> */}
            </Grid>
          </Grid>
        </li>
        <Divider component="li" />
        <ListItem>
          <Grid width={"100%"} container justifyContent="flex-start" direction="row" spacing={2}>
            {sensorComponents.map((card, index) => (
              <Grid key={"sensor-components-"+index} size={{ 
                xs: 12, 
                sm: isMobile ? 12 : 6, 
                md: isMobile ? 12 : 6,
                lg: isMobile ? 12 : 4,
                xl: isMobile ? 12 : 3
              }}>
                {card}
              </Grid>
            ))}
          </Grid>
        </ListItem>
        <li>
          <Typography display="block" variant="h6">
            Controls
          </Typography>
        </li>
        <Divider component="li" />
        <ListItem>
          <Grid width={"100%"} container justifyContent="flex-start" direction="row" spacing={2}>
            {controllerComponents.map((card, index) => (
              <Grid key={"sensor-components-"+index} size={{ 
                xs: 12, 
                sm: isMobile ? 12 : 6, 
                md: isMobile ? 12 : 6,
                lg: isMobile ? 12 : 4,
                xl: isMobile ? 12 : 3
              }}>
                {card}
              </Grid>
            ))}
          </Grid>
        </ListItem>
        {device.settings.mutations.length > 0 && (
          <>
            <li>
              <Typography display="block" variant="h6">
                Calculated Measurements
              </Typography>
            </li>
            <Divider component="li" />
            <ListItem>
              <Grid container direction="row" justifyContent="flex-start" spacing={2}>
                {/* {device.settings.mutations.map((mut, i) => (
                  <DeviceMutationCard
                    key={"mutation" + i}
                    deviceId={device.id()}
                    mutation={mut}
                    showMobile={isMobile}
                  />
                ))} */}
              </Grid>
            </ListItem>
          </>
        )}
        {device.settings.product !== pond.DeviceProduct.DEVICE_PRODUCT_NONE &&
          permissions.includes(pond.Permission.PERMISSION_WRITE) && (
            <>
              <li>
                <Typography display="block" variant="h6">
                  Setup
                </Typography>
              </li>
              <Divider component="li" />
              <ListItem>
                <Grid container direction="row" spacing={2}>
                  {isMobile ? (
                    <>
                      <Grid size={{ xs: 12 }}>
                        {/* <DeviceWizard
                          device={device}
                          //permissions={permissions}
                          components={Array.from(components.values())}
                          refreshCallback={load}
                        /> */}
                      </Grid>
                      {diagnosticComponents.map(comp => (
                        <Grid size={{ xs: 12 }} key={comp.key()}>
                          <ComponentDiagnostics
                            component={comp}
                            device={device}
                            refreshCallback={loadDevice}
                          />
                        </Grid>
                      ))}
                    </>
                  ) : (
                    <>
                      <Grid size={{ xs: 6, sm: 6, lg: 4, xl: 3 }} >
                        {/* <DeviceWizard
                          device={device}
                          //permissions={permissions}
                          components={Array.from(components.values())}
                          refreshCallback={load}
                        /> */}
                      </Grid>
                      <Grid size={{ xs: 6, sm: 6, lg: 8, xl: 9 }} >
                        <Grid container direction="row" spacing={2}>
                          {diagnosticComponents.map(comp => (
                            <Grid  size={{ sm: 12, lg: 6, xl: 4 }} key={comp.key()}>
                              <ComponentDiagnostics
                                component={comp}
                                device={device}
                                refreshCallback={loadDevice}
                              />
                            </Grid>
                          ))}
                        </Grid>
                      </Grid>
                    </>
                  )}
                </Grid>
              </ListItem>
            </>
          )}
      </List>
    );
  }

  return (
    <PageContainer padding={isMobile ? 0 : 2}>
      <Grid container justifyContent={"space-between"}>
        <Grid>
          <SmartBreadcrumb />
        </Grid>
        <Grid>
          <AddComponentManualDialog 
            device={device.id()}
            open={addComponentManualDialogOpen}
            onClose={() => setAddComponentManualDialogOpen(false)}
          />
          {user.hasFeature("developer") === true && 
            <Button onClick={() => setAddComponentManualDialogOpen(true)}>
              Manual Comp
            </Button>
          }
          <DeviceActions
            device={device}
            isPaused={false}
            isLoading={loading}
            permissions={permissions}
            preferences={preferences}
            toggleNotificationPreference={toggleNotificationPreference}
            refreshCallback={loadDevice}
            availablePositions={availablePositions}
            availableOffsets={availableOffsets} 
            components={[...components.values()]}
            interactions={interactions}    
          />
        </Grid>
      </Grid>
      <DeviceOverview
        device={device}
        components={[...components.values()]}
        // components={[]}
        // components={components}
        usage={getUsage()}
        loading={loading}
        groupID={parseInt(groupID)}
      />
      {componentCards()}
    </PageContainer>
  );
}