import { safeParseJson } from "./domain/safeJson.js";
import { AnalysisInputError } from "./domain/analysisErrorCore.js";
import { analysisInputErrorFromIssues } from "./domain/inputIssueProjection.js";
import { bundleComparisonInputSchema } from "./domain/bundleComparison.js";
import { Cli, z } from "incur";

import {
  compareEvidenceBundlesCommand,
  exportEvidenceBundleCommand,
  importEvidenceBundleCommand,
} from "./application/EvidenceBundleCommands.js";
import { logCliCommand } from "./cliLogging.js";
import type { Logger } from "pino";
import { CLI_COMMANDS } from "./cliCommandNames.js";
import type { JsonValue } from "./domain/jsonValue.js";
import { projectAnalysisError } from "./domain/analysisErrorProjection.js";
import type { AnalysisError } from "./domain/analysisErrorBase.js";

/** Register caller-path Evidence commands. */
export const registerEvidenceCommands = (
  cli: ReturnType<typeof Cli.create>,
  logger: Logger,
): void => {
  cli.command(CLI_COMMANDS.evidenceImport, {
    description: "Validate and import a bounded local Evidence bundle",
    args: z.object({
      path: z.string().describe("Evidence bundle JSON path"),
    }),
    run: ({ args }) =>
      logCliCommand(logger, "evidence-import", async () => {
        const imported = await importEvidenceBundleCommand(args.path);
        return imported.ok ? imported.value : cliError(imported.error);
      }),
  });
  cli.command(CLI_COMMANDS.evidenceExport, {
    description: "Validate and atomically export canonical Evidence JSON",
    args: z.object({
      source: z.string().describe("Existing evidence bundle JSON path"),
      output: z.string().describe("Canonical output JSON path"),
    }),
    options: z.object({
      overwrite: z.boolean().default(false).describe("Replace output file"),
    }),
    run: ({ args, options }) =>
      logCliCommand(logger, "evidence-export", async () => {
        const exported = await exportEvidenceBundleCommand(
          args.source,
          args.output,
          options.overwrite,
        );
        return exported.ok ? exported.value : cliError(exported.error);
      }),
  });
  cli.command(CLI_COMMANDS.compare, {
    aliases: ["compare-bundles"],
    description: "Compare two canonical Evidence bundles",
    args: z.object({
      left: z.string().describe("Left Evidence bundle JSON path"),
      right: z.string().describe("Right Evidence bundle JSON path"),
    }),
    options: z.object({
      record_pairs: z
        .string()
        .optional()
        .describe(
          "JSON array of explicit left_evidence_id/right_evidence_id observation pairs",
        ),
    }),
    run: ({ args, options }) =>
      logCliCommand(logger, "compare", async () => {
        const decoded =
          options.record_pairs === undefined
            ? { ok: true as const, value: [] }
            : safeParseJson(options.record_pairs);
        if (!decoded.ok)
          return cliError(
            new AnalysisInputError(
              "compare_bundles",
              { cause: decoded.cause },
              [
                {
                  path: ["record_pairs"],
                  reason: "invalid_format",
                  expected: "JSON array",
                },
              ],
            ),
          );
        const input = { record_pairs: decoded.value };
        const selected = bundleComparisonInputSchema
          .pick({ record_pairs: true })
          .safeParse(input);
        if (!selected.success)
          return cliError(
            analysisInputErrorFromIssues(
              "compare_bundles",
              selected.error.issues,
              input,
            ),
          );
        const compared = await compareEvidenceBundlesCommand({
          leftPath: args.left,
          rightPath: args.right,
          recordPairs: selected.data.record_pairs,
        });
        return compared.ok ? compared.value : cliError(compared.error);
      }),
  });
};

const cliError = (error: AnalysisError): JsonValue => ({
  error: "Analysis failed",
  ...projectAnalysisError(error),
});