// Node camera commands: list devices, capture photos, and capture short clips through node.invoke.
import {
  normalizeLowercaseStringOrEmpty,
  normalizeOptionalString,
} from "@openclaw/normalization-core/string-coerce";
import type { Command } from "commander";
import { getTerminalTableWidth, renderTable } from "../../../packages/terminal-core/src/table.js";
import { defaultRuntime } from "../../runtime.js";
import { shortenHomePath } from "../../utils.js";
import {
  type CameraArtifactFacing,
  type CameraFacing,
  cameraTempPath,
  parseCameraClipPayload,
  parseCameraSnapPayload,
  resolveCameraClipTarget,
  resolveCameraSnapTargets,
  writeCameraPayloadToFile,
  writeCameraClipPayloadToFile,
} from "../nodes-camera.js";
import { parseDurationMs } from "../parse-duration.js";
import { getNodesTheme, runNodesCommand } from "./cli-utils.js";
import {
  buildNodeInvokeParams,
  callNodesGatewayCli,
  nodesCallOpts,
  parseOptionalNodeFiniteNumber,
  parseOptionalNodeNonNegativeInteger,
  parseOptionalNodePositiveInteger,
  resolveCliNode,
  resolveCliNodeId,
} from "./rpc.js";
import type { NodesRpcOpts } from "./types.js";

const parseFacing = (value: string): CameraFacing => {
  const v = normalizeLowercaseStringOrEmpty(normalizeOptionalString(value) ?? "");
  if (v === "front" || v === "back") {
    return v;
  }
  throw new Error(`invalid facing: ${value} (expected front|back)`);
};

function getGatewayInvokePayload(raw: unknown): unknown {
  return typeof raw === "object" && raw !== null
    ? (raw as { payload?: unknown }).payload
    : undefined;
}

/** Register node camera list/snap/clip commands. */
export function registerNodesCameraCommands(nodes: Command) {
  const camera = nodes.command("camera").description("Capture camera media from a paired node");

  nodesCallOpts(
    camera
      .command("list")
      .description("List available cameras on a node")
      .requiredOption("--node <idOrNameOrIp>", "Node id, name, or IP")
      .action(async (opts: NodesRpcOpts) => {
        await runNodesCommand("camera list", async () => {
          const nodeId = await resolveCliNodeId(opts, opts.node ?? "");
          const raw = await callNodesGatewayCli(
            "node.invoke",
            opts,
            buildNodeInvokeParams({
              nodeId,
              command: "camera.list",
              params: {},
            }),
          );

          const res = typeof raw === "object" && raw !== null ? (raw as { payload?: unknown }) : {};
          const payload =
            typeof res.payload === "object" && res.payload !== null
              ? (res.payload as { devices?: unknown })
              : {};
          const devices = Array.isArray(payload.devices)
            ? payload.devices.filter(
                (device): device is Record<string, unknown> =>
                  typeof device === "object" && device !== null && !Array.isArray(device),
              )
            : [];

          if (opts.json) {
            defaultRuntime.writeJson(devices);
            return;
          }

          if (devices.length === 0) {
            const { muted } = getNodesTheme();
            defaultRuntime.log(muted("No cameras reported."));
            return;
          }

          const { heading, muted } = getNodesTheme();
          const tableWidth = getTerminalTableWidth();
          const rows = devices.map((device) => ({
            Name: typeof device.name === "string" ? device.name : "Unknown Camera",
            Position: typeof device.position === "string" ? device.position : muted("unspecified"),
            ID: typeof device.id === "string" ? device.id : "",
          }));
          defaultRuntime.log(heading("Cameras"));
          defaultRuntime.log(
            renderTable({
              width: tableWidth,
              columns: [
                { key: "Name", header: "Name", minWidth: 14, flex: true },
                { key: "Position", header: "Position", minWidth: 10 },
                { key: "ID", header: "ID", minWidth: 10, flex: true },
              ],
              rows,
            }).trimEnd(),
          );
        });
      }),
    { timeoutMs: 60_000 },
  );

  nodesCallOpts(
    camera
      .command("snap")
      .description("Capture a photo from a node camera (prints the saved path)")
      .requiredOption("--node <idOrNameOrIp>", "Node id, name, or IP")
      .option("--facing <front|back|both>", "Camera facing")
      .option("--device-id <id>", "Camera device id (from nodes camera list)")
      .option("--max-width <px>", "Max width in px (optional)")
      .option("--quality <0-1>", "JPEG quality (optional; platform-specific default)")
      .option("--delay-ms <ms>", "Delay before capture in ms (optional; platform-specific default)")
      .option("--invoke-timeout <ms>", "Node invoke timeout in ms (default 20000)", "20000")
      .action(async (opts: NodesRpcOpts) => {
        await runNodesCommand("camera snap", async () => {
          const facingOpt = normalizeLowercaseStringOrEmpty(
            normalizeOptionalString(opts.facing) ?? "",
          );
          const facing =
            facingOpt === ""
              ? undefined
              : facingOpt === "both" || facingOpt === "front" || facingOpt === "back"
                ? facingOpt
                : (() => {
                    throw new Error(
                      `invalid facing: ${String(opts.facing)} (expected front|back|both)`,
                    );
                  })();

          const maxWidth = parseOptionalNodePositiveInteger(opts.maxWidth, "--max-width");
          const quality = parseOptionalNodeFiniteNumber(opts.quality, "--quality", {
            minInclusive: 0,
            maxInclusive: 1,
          });
          const delayMs = parseOptionalNodeNonNegativeInteger(opts.delayMs, "--delay-ms");
          const deviceId = normalizeOptionalString(opts.deviceId);
          const timeoutMs = parseOptionalNodePositiveInteger(
            opts.invokeTimeout,
            "--invoke-timeout",
          );
          const node = await resolveCliNode(opts, normalizeOptionalString(opts.node) ?? "");
          const nodeId = node.nodeId;
          if (deviceId && facing === "both" && node.platform?.toLowerCase() !== "linux") {
            throw new Error("facing=both is not allowed when --device-id is set");
          }
          const targets = resolveCameraSnapTargets({
            facing,
            platform: node.platform,
            deviceId,
          });
          const captures: Array<{
            facing: CameraArtifactFacing;
            payload: ReturnType<typeof parseCameraSnapPayload>;
            filePath: string;
          }> = [];
          for (const target of targets) {
            const invokeParams = buildNodeInvokeParams({
              nodeId,
              command: "camera.snap",
              params: {
                ...(target.requestFacing ? { facing: target.requestFacing } : {}),
                maxWidth: Number.isFinite(maxWidth) ? maxWidth : undefined,
                quality: Number.isFinite(quality) ? quality : undefined,
                format: "jpg",
                delayMs: Number.isFinite(delayMs) ? delayMs : undefined,
                deviceId: deviceId || undefined,
              },
              timeoutMs,
            });

            const raw = await callNodesGatewayCli("node.invoke", opts, invokeParams);
            const payload = parseCameraSnapPayload(getGatewayInvokePayload(raw), {
              expectedHost: node.remoteIp,
            });
            captures.push({
              facing: target.artifactFacing,
              payload,
              filePath: cameraTempPath({
                kind: "snap",
                facing: target.artifactFacing,
                ext: payload.format === "jpeg" ? "jpg" : payload.format,
              }),
            });
          }

          const results = [];
          for (const { facing: artifactFacing, payload, filePath } of captures) {
            await writeCameraPayloadToFile({
              filePath,
              payload,
              expectedHost: node.remoteIp,
              invalidPayloadMessage: "invalid camera.snap payload",
            });
            results.push({
              facing: artifactFacing,
              path: filePath,
              width: payload.width,
              height: payload.height,
            });
          }

          if (opts.json) {
            defaultRuntime.writeJson({ files: results });
            return;
          }
          defaultRuntime.log(results.map((r) => shortenHomePath(r.path)).join("\n"));
        });
      }),
    { timeoutMs: 60_000 },
  );

  nodesCallOpts(
    camera
      .command("clip")
      .description("Capture a short video clip from a node camera (prints the saved path)")
      .requiredOption("--node <idOrNameOrIp>", "Node id, name, or IP")
      .option("--facing <front|back>", "Camera facing", "front")
      .option("--device-id <id>", "Camera device id (from nodes camera list)")
      .option(
        "--duration <ms|10s|1m>",
        "Duration (default 3000ms; supports ms/s/m, e.g. 10s)",
        "3000",
      )
      .option("--no-audio", "Disable audio capture")
      .option("--invoke-timeout <ms>", "Node invoke timeout in ms (default 90000)", "90000")
      .action(async (opts: NodesRpcOpts & { audio?: boolean }) => {
        await runNodesCommand("camera clip", async () => {
          const facing = parseFacing(opts.facing ?? "front");
          const durationMs = parseDurationMs(opts.duration ?? "3000");
          const includeAudio = opts.audio !== false;
          const timeoutMs = parseOptionalNodePositiveInteger(
            opts.invokeTimeout,
            "--invoke-timeout",
          );
          const deviceId = normalizeOptionalString(opts.deviceId);
          const node = await resolveCliNode(opts, normalizeOptionalString(opts.node) ?? "");
          const nodeId = node.nodeId;
          const target = resolveCameraClipTarget({ facing, platform: node.platform });

          const invokeParams = buildNodeInvokeParams({
            nodeId,
            command: "camera.clip",
            params: {
              facing: target.requestFacing,
              durationMs: Number.isFinite(durationMs) ? durationMs : undefined,
              includeAudio,
              format: "mp4",
              deviceId: deviceId || undefined,
            },
            timeoutMs,
          });

          const raw = await callNodesGatewayCli("node.invoke", opts, invokeParams);
          const payload = parseCameraClipPayload(getGatewayInvokePayload(raw));
          const filePath = await writeCameraClipPayloadToFile({
            payload,
            facing: target.artifactFacing,
            expectedHost: node.remoteIp,
          });

          if (opts.json) {
            defaultRuntime.writeJson({
              file: {
                facing: target.artifactFacing,
                path: filePath,
                durationMs: payload.durationMs,
                hasAudio: payload.hasAudio,
              },
            });
            return;
          }
          defaultRuntime.log(shortenHomePath(filePath));
        });
      }),
    { timeoutMs: 90_000 },
  );
}