import debug from "debug";

import { Literal, NamedNode, Quad_Object, Quad_Predicate, Quad_Subject, Term } from "n3";

import { some } from "underscore";

import { SyncedGraph } from "../SyncedGraph";

type Color = string;

export type ControlValue = number | Color | NamedNode;

const log = debug("effect");

function isUri(x: Term | number | string): x is NamedNode {

  return typeof x == "object" && x.termType == "NamedNode";

}

function valuePred(graph: SyncedGraph, attr: NamedNode): NamedNode {

    const addQuads = [

      quad(this.uri, U("rdf:type"), U(":Effect")),

      quad(this.uri, U("rdfs:label"), this.graph.Literal(this.uri.value.replace(/.*\//, ""))),

      quad(this.uri, U(":publishAttr"), U(":strength")),

    ];

    const patch = { adds: addQuads, dels: [] } as Patch;

    log("init new effect", patch);

    this.settings = [];

    this.graph.applyAndSendPatch(patch);

  }

    const U = this.graph.U();

    const newSettings = [];

    for (let setting of Array.from(this.graph.objects(this.uri, U(":setting")))) {

      if (!isUri(setting)) throw new Error();

      let value: ControlValue;

      const device = this.graph.uriValue(setting, U(":device"));

      const deviceAttr = this.graph.uriValue(setting, U(":deviceAttr"));

      const pred = valuePred(this.graph, deviceAttr);

      try {

        value = this.graph.uriValue(setting, pred);

        if (!(value as NamedNode).id.match(/^http/)) {

          throw new Error("not uri");

        }

      } catch (error) {

        try {

          value = this.graph.floatValue(setting, pred);

        } catch (error1) {

          value = this.graph.stringValue(setting, pred); // this may find multi values and throw

        }

      }

      newSettings.push({ device, deviceAttr, setting, value });

    }

    this.settings = newSettings;

    log(`rebuild to ${this.settings.length}`);

    this.onValuesChanged();

  }

  currentValue(device: NamedNode, deviceAttr: NamedNode): ControlValue | null {

    for (let s of this.settings) {

      if (device.equals(s.device) && deviceAttr.equals(s.deviceAttr)) {

        return s.value;

      }

    }

    return null;

  }

  // change this object now, but return the patch to be applied to the graph so it can be coalesced.

  edit(device: NamedNode, deviceAttr: NamedNode, newValue: ControlValue | null): Patch {

    log(`edit: value=${newValue}`);

    let existingSetting: NamedNode | null = null;

    for (let s of this.settings) {

      if (device.equals(s.device) && deviceAttr.equals(s.deviceAttr)) {

        if (existingSetting !== null) {

          throw new Error(`${this.uri.value} had two settings for ${device.value} - ${deviceAttr.value}`);

        }

        existingSetting = s.setting;

      }

    }

import debug from "debug";

import { NamedNode } from "n3";

import { SyncedGraph } from "../SyncedGraph";

import { ControlValue, Effect } from "./Effect";

const log = debug("g2c");

type NewValueCb = (newValue: ControlValue | null) => void;

// as opposed to letting each widget scan the graph and push lots of

// tiny patches to it.

export class GraphToControls {

  // rename to PageControls?

  effect: Effect | null = null; // this uri should sync to the editchoice

  registeredWidgets: Map<NamedNode, Map<NamedNode, NewValueCb>> = new Map();

  constructor(public graph: SyncedGraph) {}

  setEffect(effect: NamedNode | null) {

    log(`setEffect ${effect?.value}`);

    this.effect = effect ? new Effect(this.graph, effect, this.onValuesChanged.bind(this)) : null;

  }

  setAttrSelected(devAttr: NamedNode, isSel: boolean) {

    if (isSel) {

      this.selectedAttrs.add(devAttr);

    } else {

      this.selectedAttrs.delete(devAttr);

    }

    // this.syncDeviceAttrsFromGraph();

  }

  syncDeviceAttrsFromGraph(patch?: Patch) {

    const U = this.graph.U();

      return;

    }

    try {

    this.deviceClass = this.graph.uriValue(this.uri, U("rdf:type"));

    } catch(e) {

      // what's likely is we're going through a graph reload and the graph 

      // is gone but the controls remain

    }

    this.deviceAttrs = [];

    Array.from(unique(this.graph.sortedUris(this.graph.objects(this.deviceClass, U(":deviceAttr"))))).map((da: NamedNode) =>

      this.deviceAttrs.push(this.attrRow(da))

    );

import debug from "debug";

import { css, html, LitElement, PropertyValues } from "lit";

import { customElement, property } from "lit/decorators.js";

import { NamedNode } from "n3";

import { sortBy, uniq } from "underscore";

import { getTopGraph } from "../RdfdbSyncedGraph";

import { SyncedGraph } from "../SyncedGraph";

import { GraphToControls } from "./GraphToControls";

export { Light9DeviceControl as Light9LiveDeviceControl } from "./Light9DeviceControl";

export { EditChoice } from "../EditChoice";

const log = debug("controls");

@customElement("light9-live-controls")

export class Light9LiveControls extends LitElement {

  graph!: SyncedGraph;

  static styles = [

    });

  }

  updated(changedProperties: PropertyValues) {

    if (changedProperties.has("effectChoice")) {

      log(`effectChoice to ${this.effectChoice?.value}`);

      this.onEffectChoice();

    }

  }

  findDevices(patch?: Patch) {

    const U = this.graph.U();

    this.devices = [];

    let classes = this.graph.subjects(U("rdf:type"), U(":DeviceClass"));

    log(`found ${classes.length} device classes`)

    uniq(sortBy(classes, "value"), true).forEach((dc) => {

      sortBy(this.graph.subjects(U("rdf:type"), dc), "value").forEach((dev) => {

        this.devices.push(dev as NamedNode);

      });

    });

    this.requestUpdate();

  }