import type {
  EntityReference,
  EntitySummaryResolver,
  RelationshipContext,
  RelationshipReadAccess,
  SummaryResolution,
} from "@metis/relationship-contracts";
import {
  EntityReferenceSchema,
  EntitySummarySchema,
  RelationshipContextSchema,
  RelationshipReadError,
} from "@metis/relationship-contracts";
import { Result } from "@repo/rdx-utils";
import type { Sequelize } from "sequelize";
import { QueryTypes } from "sequelize";
import { z } from "zod/v4";

const RowSchema = z.object({
  id: z.uuid(),
  name: z.string().min(1),
  active: z.union([z.boolean(), z.literal(0), z.literal(1)]).transform(Boolean),
  normalizedAddress: z.string().min(1),
});

/** Una proyección por lote, sin hidratar inventarios ni cargar sus historiales. */
export class NetworkShareSummaryResolver implements EntitySummaryResolver {
  readonly providerId = "resources";
  readonly entityTypes = Object.freeze(["resources:resource"] as const);

  constructor(
    private readonly database: Sequelize,
    private readonly access: RelationshipReadAccess
  ) {}

  async resolveMany(
    references: readonly EntityReference[],
    context: RelationshipContext
  ): Promise<Result<readonly SummaryResolution[], RelationshipReadError>> {
    if (!RelationshipContextSchema.safeParse(context).success) {
      return Result.fail(new RelationshipReadError("FORBIDDEN"));
    }
    const authorized = await this.access.authorize(context);

    if (!authorized.isSuccess) {
      return authorized;
    }
    const parsed = z.array(EntityReferenceSchema).max(100).safeParse(references);

    if (!parsed.success) {
      return Result.fail(new RelationshipReadError("INVALID_QUERY"));
    }
    const accepted = parsed.data.filter(
      (reference) =>
        reference.companyId === context.companyId &&
        reference.providerId === this.providerId &&
        reference.entityType === "resources:resource"
    );
    const ids = [...new Set(accepted.map((reference) => reference.id))];
    const rows =
      ids.length === 0
        ? []
        : z
            .array(RowSchema)
            .parse(
              await this.database.query(
                "SELECT r.id,r.name,r.active,d.normalizedAddress FROM resources r JOIN resource_network_shares d ON d.resourceId=r.id AND d.companyId=r.companyId WHERE r.companyId=:companyId AND r.id IN (:ids)",
                { type: QueryTypes.SELECT, replacements: { companyId: context.companyId, ids } }
              )
            );
    const byId = new Map(rows.map((row) => [row.id, row]));

    return Result.ok(
      Object.freeze(
        parsed.data.map((reference): SummaryResolution => {
          const row =
            reference.companyId === context.companyId &&
            reference.providerId === this.providerId &&
            reference.entityType === "resources:resource"
              ? byId.get(reference.id)
              : undefined;

          return row
            ? Object.freeze({
                status: "resolved",
                summary: EntitySummarySchema.parse({
                  reference,
                  name: row.name,
                  subtitle: row.normalizedAddress,
                  state: {
                    code: row.active ? "active" : "inactive",
                    labelKey: row.active ? "resources:active" : "resources:inactive",
                  },
                }),
              })
            : Object.freeze({ status: "unavailable", reference });
        })
      )
    );
  }
}