import { Name, UniqueID } from "@repo/rdx-ddd";
import { Result } from "@repo/rdx-utils";
import { z } from "zod/v4";

import { AssetCatalogError } from "../asset-definition";

export const RelationshipValuesSchema = z.strictObject({
  sourceId: z.uuid(),
  targetId: z.uuid(),
  typeId: z.uuid(),
  name: z.string().min(1).max(100),
  inverseName: z.string().min(1).max(100),
  symmetric: z.boolean(),
  notes: z.string().max(10000),
});

export type RelationshipValuesData = z.infer<typeof RelationshipValuesSchema>;

export class AssetRelationshipValues {
  private constructor(
    public readonly sourceId: UniqueID,
    public readonly targetId: UniqueID,
    public readonly typeId: UniqueID,
    public readonly name: Name,
    public readonly inverseName: Name,
    public readonly symmetric: boolean,
    public readonly notes: string
  ) {
    Object.freeze(this);
  }

  static create(input: RelationshipValuesData): Result<AssetRelationshipValues, AssetCatalogError> {
    const parsed = RelationshipValuesSchema.safeParse(input);
    const source = UniqueID.create(input.sourceId);
    const target = UniqueID.create(input.targetId);
    const type = UniqueID.create(input.typeId);
    const name = Name.create(input.name, 100);
    const inverse = Name.create(input.symmetric ? input.name : input.inverseName, 100);

    if (
      !(
        parsed.success &&
        source.isSuccess &&
        target.isSuccess &&
        type.isSuccess &&
        name.isSuccess &&
        inverse.isSuccess
      )
    ) {
      return Result.fail(new AssetCatalogError("INVALID_REQUEST"));
    }
    if (source.data.equals(target.data)) {
      return Result.fail(new AssetCatalogError("SELF_RELATIONSHIP"));
    }

    return Result.ok(
      new AssetRelationshipValues(
        source.data,
        target.data,
        type.data,
        name.data,
        inverse.data,
        input.symmetric,
        input.notes.trim()
      )
    );
  }

  toPrimitive(): RelationshipValuesData {
    return {
      sourceId: this.sourceId.toPrimitive(),
      targetId: this.targetId.toPrimitive(),
      typeId: this.typeId.toPrimitive(),
      name: this.name.toPrimitive(),
      inverseName: this.inverseName.toPrimitive(),
      symmetric: this.symmetric,
      notes: this.notes,
    };
  }

  equals(other: AssetRelationshipValues): boolean {
    return (
      this.key() === other.key() &&
      this.name.equals(other.name) &&
      this.inverseName.equals(other.inverseName) &&
      this.symmetric === other.symmetric &&
      this.notes === other.notes
    );
  }

  /** Identifica un vínculo; las relaciones simétricas normalizan el orden de sus extremos. */
  key(): string {
    const ids = [this.sourceId.toPrimitive(), this.targetId.toPrimitive()];

    if (this.symmetric) {
      ids.sort();
    }

    return [this.typeId.toPrimitive(), ...ids].join(":");
  }
}