import { z } from "incur";
import { createWebSourceLocationService } from "../composition/webSourceLocations.js";
import { CLI_COMMANDS } from "../cliCommandNames.js";
import { logCliCommand } from "../cliLogging.js";
import { projectAnalysisError } from "../domain/analysisErrorProjection.js";
import type { Logger } from "pino";
import type { CliInstance } from "./types.js";
import { withCommandCancellation } from "./commandCancellation.js";

/** Expose the same explicit selected map/point contract through the CLI. */
export const registerWebSourceLocationCommands = (
  cli: CliInstance,
  logger: Logger,
  environment: Readonly<NodeJS.ProcessEnv>,
): void => {
  const service = createWebSourceLocationService(environment);
  cli.command(CLI_COMMANDS.traceWebSourceLocation, {
    description:
      "Trace one retained script position through an explicitly selected local source map",
    args: z.object({
      manifestPath: z
        .string()
        .describe("Absolute export_web_scripts manifest path"),
      scriptIndex: z.coerce
        .number()
        .int()
        .min(0)
        .describe("Zero-based manifest script index"),
      sourceMapPath: z.string().describe("Absolute local source-map path"),
      sourceMapUrl: z
        .string()
        .describe("Absolute source-map URL context; no fetch"),
      line: z.coerce.number().int().min(1).describe("One-based generated line"),
      column: z.coerce
        .number()
        .int()
        .min(0)
        .describe("Zero-based UTF-16 generated column"),
    }),
    run: ({ args }) =>
      withCommandCancellation(async (signal) => {
        try {
          return await logCliCommand(
            logger,
            CLI_COMMANDS.traceWebSourceLocation,
            async () => {
              const result = await service.trace(
                {
                  manifest_path: args.manifestPath,
                  script_index: args.scriptIndex,
                  source_map: {
                    path: args.sourceMapPath,
                    url: args.sourceMapUrl,
                  },
                  generated_position: { line: args.line, column: args.column },
                },
                { signal },
              );
              return result.ok
                ? result.value
                : projectAnalysisError(result.error);
            },
          );
        } finally {
          await service.close();
        }
      }),
  });
};