import { Cli, z } from "incur";

import {
  inspectElectronPage,
  listElectronTargets,
} from "../application/ElectronObservationService.js";
import { captureElectronScenario } from "../application/ElectronActiveObservationService.js";
import { reconcileJavaScriptRuntimeEvidence } from "../application/JavaScriptRuntimeReconciliationService.js";
import { CdpElectronProvider } from "../browser/CdpElectronProvider.js";
import { PlaywrightElectronActiveProvider } from "../browser/PlaywrightElectronActiveProvider.js";
import { logCliCommand } from "../cliLogging.js";
import {
  inspectElectronPageInputSchema,
  listElectronTargetsInputSchema,
} from "../domain/electronObservation.js";
import { electronActiveObservationInputSchema } from "../domain/electronActiveObservation.js";
import { AnalysisInputError } from "../domain/analysisErrorCore.js";
import { projectAnalysisError } from "../domain/analysisErrorProjection.js";
import type { JsonValue } from "../domain/jsonValue.js";
import type { Logger } from "../logger.js";
import { CLI_COMMANDS } from "../cliCommandNames.js";
import { parseCliJsonInput } from "../cliJsonInput.js";
import {
  electronPageInspectionOptions,
  javascriptApplicationOptions,
} from "../cliObservationOptions.js";
import { runCliJavaScriptApplicationAnalysis } from "./javascriptApplicationAnalysis.js";

/** Register CLI equivalents of the Electron MCP tools. */
export const registerElectronCommands = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  registerElectronObservationCommands(cli, logger);
  registerElectronActiveCommand(cli, logger);
  registerJavaScriptApplicationCommand(cli, logger);
  registerJavaScriptRuntimeReconciliationCommand(cli, logger);
};

const registerElectronActiveCommand = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  cli.command(CLI_COMMANDS.captureElectronScenario, {
    description: "Run one bounded owned Electron scenario",
    args: z.object({
      inputJson: z
        .string()
        .describe(
          "Inline JSON or a JSON file matching capture_electron_scenario",
        ),
    }),
    run: ({ args }) =>
      logCliCommand(logger, CLI_COMMANDS.captureElectronScenario, async () => {
        const input = await parseCliJsonInput(
          args.inputJson,
          "capture_electron_scenario",
        );
        if (!input.ok) return input.error;
        const parsed = electronActiveObservationInputSchema.safeParse(
          input.value,
        );
        if (!parsed.success) return inputError("capture_electron_scenario");
        const context = await electronContext();
        const result = await captureElectronScenario(
          context.activeProvider,
          parsed.data,
        );
        return result.ok ? result.value : cliError(result.error);
      }),
  });
};

const registerJavaScriptRuntimeReconciliationCommand = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  cli.command(CLI_COMMANDS.reconcileJavaScriptRuntime, {
    description:
      "Reconcile static application and passive runtime Evidence JSON",
    args: z.object({
      inputJson: z
        .string()
        .describe(
          "Inline JSON or a JSON file path matching reconcile_javascript_runtime",
        ),
    }),
    run: ({ args }) =>
      logCliCommand(
        logger,
        CLI_COMMANDS.reconcileJavaScriptRuntime,
        async () => {
          const input = await parseCliJsonInput(
            args.inputJson,
            "reconcile_javascript_runtime",
          );
          if (!input.ok) return input.error;
          const result = reconcileJavaScriptRuntimeEvidence(input.value);
          return result.ok ? result.value : cliError(result.error);
        },
      ),
  });
};

const registerElectronObservationCommands = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  registerElectronTargetList(cli, logger);
  registerElectronPageInspection(cli, logger);
};

const registerElectronTargetList = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  cli.command(CLI_COMMANDS.listElectronTargets, {
    description:
      "List local file pages exposed by the selected Electron CDP endpoint",
    args: z.object({
      endpoint: z.string().describe("Literal-loopback Electron CDP endpoint"),
    }),
    run: ({ args }) =>
      logCliCommand(logger, "list-electron-targets", async () => {
        const context = await electronObservationContext();
        const parsed = listElectronTargetsInputSchema.safeParse({
          cdp_endpoint: args.endpoint,
        });
        if (!parsed.success) return inputError("list_electron_targets");
        const result = await listElectronTargets(context.provider, parsed.data);
        return result.ok ? result.value : cliError(result.error);
      }),
  });
};

const registerElectronPageInspection = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  cli.command(CLI_COMMANDS.inspectElectronPage, {
    description: "Passively inspect one Electron file page",
    args: z.object({
      endpoint: z.string().describe("Literal-loopback Electron CDP endpoint"),
      targetId: z.string().describe("Target ID from list-electron-targets"),
    }),
    options: electronPageInspectionOptions,
    run: ({ args, options }) =>
      logCliCommand(logger, "inspect-electron-page", async () => {
        const context = await electronObservationContext();
        const parsed = inspectElectronPageInputSchema.safeParse({
          cdp_endpoint: args.endpoint,
          target_id: args.targetId,
          observation_ms: options.observationMs,
          include_script_sources: options.includeScriptSources,
        });
        if (!parsed.success) return inputError("inspect_electron_page");
        const result = await inspectElectronPage(context.provider, parsed.data);
        return result.ok ? result.value : cliError(result.error);
      }),
  });
};

const registerJavaScriptApplicationCommand = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  cli.command(CLI_COMMANDS.analyzeJavaScriptApplication, {
    description:
      "Statically reconstruct a local JavaScript/Electron application",
    args: z.object({
      path: z.string().describe("ASAR or extracted application path"),
    }),
    options: javascriptApplicationOptions,
    run: ({ args, options }) =>
      logCliCommand(logger, CLI_COMMANDS.analyzeJavaScriptApplication, () =>
        runCliJavaScriptApplicationAnalysis({
          input_path: args.path,
          format: options.artifactFormat,
        }),
      ),
  });
};

const electronContext = async () => {
  return {
    ok: true as const,
    provider: new CdpElectronProvider(),
    activeProvider: new PlaywrightElectronActiveProvider(),
  };
};

const electronObservationContext = electronContext;

const inputError = (operation: string): JsonValue =>
  cliError(new AnalysisInputError(operation));

const cliError = (
  error: Parameters<typeof projectAnalysisError>[0],
): JsonValue => ({
  error: "Electron analysis failed",
  ...projectAnalysisError(error),
});