import { inject, injectable } from "@codemation/core";
import type { Hono } from "hono";
import type { Logger, LoggerFactory } from "../application/logging/Logger";
import { ApplicationTokens } from "../applicationTokens";
import { ApplicationRequestError } from "../application/ApplicationRequestError";
import type { QueryBus } from "../application/bus/QueryBus";
import { GetCredentialMaterialQuery } from "../application/queries/GetCredentialMaterialQuery";
import { InternalHmacAuthMiddleware } from "../pairing/InternalHmacAuthMiddleware";
import type { InternalHonoApiRouteRegistrar } from "../presentation/http/hono/InternalHonoApiRouteRegistrar";

@injectable()
export class InternalCredentialMaterialRegistrar implements InternalHonoApiRouteRegistrar {
  private readonly logger: Logger;

  constructor(
    @inject(InternalHmacAuthMiddleware) private readonly hmacMiddleware: InternalHmacAuthMiddleware,
    @inject(ApplicationTokens.QueryBus) private readonly queryBus: QueryBus,
    @inject(ApplicationTokens.LoggerFactory) loggerFactory: LoggerFactory,
  ) {
    this.logger = loggerFactory.create("InternalCredentialMaterialRegistrar");
  }

  register(app: Hono): void {
    app.get("/internal/credentials/material", this.hmacMiddleware.handle(), async (c) => {
      const name = c.req.query("name");
      if (!name || typeof name !== "string" || name.trim().length === 0) {
        return c.json({ error: "name query parameter is required" }, 400);
      }

      try {
        const result = await this.queryBus.execute(new GetCredentialMaterialQuery(name));
        this.logger.info(`Credential material resolved for instance ${result.instanceId} (name: ${name})`);
        return c.json(result);
      } catch (error) {
        if (error instanceof ApplicationRequestError) {
          return c.json({ error: error.message }, error.status as 400 | 404 | 409);
        }
        this.logger.error("Credential material resolution failed", error instanceof Error ? error : undefined);
        return c.json({ error: "Internal server error" }, 500);
      }
    });
  }
}