import type { UniqueID } from "@repo/rdx-ddd";
import type { Sequelize, Transaction } from "sequelize";
import { QueryTypes } from "sequelize";

import type { IProcessAssetInventoryService } from "../../application/process.repository";
import type { ProcessReviewSources } from "../../application/process-review.builder";
import { buildProcessReview } from "../../application/process-review.builder";
import { accessReviewRelationships } from "../../application/process-review-access";
import { AccessDefinitionSchema } from "../../domain/access/access-definition";
import { ApplicationConfigurationInputSchema } from "../../domain/application-configuration-values";
import { CertificateConfigurationInputSchema } from "../../domain/certificate-configuration-values";
import { FolderMappingInputSchema } from "../../domain/folder-mapping-values";
import { MailSnapshotSchema } from "../../domain/mail-configuration-values";
import { MailboxUseInputSchema } from "../../domain/mailbox-values";
import { PrinterConfigurationInputSchema } from "../../domain/printer-configuration-values";
import { RemoteConnectionInputSchema } from "../../domain/remote-connection-values";
import { TeleworkAuthorizationInputSchema } from "../../domain/telework-authorization-values";
import type { WorkProfileInput } from "../../domain/work-profile-values";
import { WorkProfileInputSchema } from "../../domain/work-profile-values";

import { configurationSnapshots } from "./configuration-snapshots";
import { snapshotValues } from "./scalar-snapshot-reader";
import { profileIdentity } from "./work-profile-persistence.mapper";

function configurationDetail(
  value: {
    profileId: string;
    path?: string;
    location?: string | null;
    version?: string | null;
    resourceId?: string;
    printerId?: string;
  },
  assetNames: ReadonlyMap<string, string>,
  resourceNames: ReadonlyMap<string, string>
) {
  const target = value.resourceId
    ? resourceNames.get(value.resourceId)
    : value.printerId
      ? assetNames.get(value.printerId)
      : undefined;

  return [target, value.path ?? value.location ?? value.version].filter(Boolean).join(" · ");
}

type Profile = { id: string; values: WorkProfileInput };

import { readAccessItems } from "./access-relational";

type Row = { id: string; values: unknown };

type Table =
  | "work_profiles"
  | "mail_configurations"
  | "folder_mappings"
  | "printer_configurations"
  | "application_configurations"
  | "certificate_configurations"
  | "remote_connections"
  | "mailbox_uses"
  | "telework_authorizations"
  | "mailboxes";

function profileOf(profiles: readonly Profile[], id: string) {
  const p = profiles.find((p) => p.id === id);

  if (!p) {
    throw new Error("Perfil de revisión inconsistente.");
  }

  return p;
}

export class ProcessReviewReader {
  constructor(private readonly database: Sequelize) {}

  private async rows(table: Table, companyId: string, transaction: Transaction) {
    const rows = await this.database.query<Row>(
      `SELECT * FROM ${table} WHERE companyId=:companyId`,
      { replacements: { companyId }, transaction, type: QueryTypes.SELECT }
    );
    const definition = configurationSnapshots.get(table);

    return rows.map((row) => ({
      ...row,
      values: definition ? snapshotValues(definition, row) : row.values,
    }));
  }

  private mail(data: readonly Row[], profiles: readonly Profile[]) {
    const configurations: ProcessReviewSources["configurations"][number][] = [];

    for (const r of data) {
      const v = MailSnapshotSchema.parse(r.values);
      const personId =
        "profileId" in v ? profileOf(profiles, v.profileId).values.personId : v.personId;

      configurations.push({
        id: profileIdentity(r.id).toPrimitive(),
        personId,
        kind: "mail",
        label: v.address,
        state: v.state,
      });
    }

    return configurations;
  }

  private remote(
    data: readonly Row[],
    assetNames: ReadonlyMap<string, string>,
    resourceNames: ReadonlyMap<string, string>
  ) {
    const configurations: ProcessReviewSources["configurations"][number][] = [];

    for (const r of data) {
      const v = RemoteConnectionInputSchema.parse(r.values);

      configurations.push({
        id: profileIdentity(r.id).toPrimitive(),
        personId: v.personId,
        kind: "remote",
        label: [
          v.method,
          v.sourceAssetId ? assetNames.get(v.sourceAssetId) : null,
          v.targetKind === "asset"
            ? assetNames.get(v.targetId ?? "")
            : v.targetKind === "resource"
              ? resourceNames.get(v.targetId ?? "")
              : null,
        ]
          .filter(Boolean)
          .join(" · "),
        sourceKind: v.sourceKind,
        state: v.state,
      });
    }

    return configurations;
  }

  private async profileConfigurations(
    companyId: string,
    transaction: Transaction,
    profiles: readonly Profile[],
    assetNames: ReadonlyMap<string, string>,
    resourceNames: ReadonlyMap<string, string>
  ) {
    const configurations: ProcessReviewSources["configurations"][number][] = [];
    const tables = [
      ["folder_mappings", "folder", FolderMappingInputSchema],
      ["printer_configurations", "printer", PrinterConfigurationInputSchema],
      ["application_configurations", "application", ApplicationConfigurationInputSchema],
      ["certificate_configurations", "certificate", CertificateConfigurationInputSchema],
    ] as const;

    for (const [table, kind, schema] of tables) {
      for (const r of await this.rows(table, companyId, transaction)) {
        const v = schema.parse(r.values);
        const p = profileOf(profiles, v.profileId);
        const detail = configurationDetail(v, assetNames, resourceNames);

        configurations.push({
          id: profileIdentity(r.id).toPrimitive(),
          personId: p.values.personId,
          kind,
          label: detail ? `${p.values.name} · ${detail}` : p.values.name,
          state: v.state,
        });
      }
    }

    return configurations;
  }

  async load(
    companyId: string,
    people: readonly { id: string; name: string }[],
    transaction: Transaction,
    assets: Awaited<ReturnType<IProcessAssetInventoryService["list"]>>,
    resources: readonly { id: UniqueID; name: string }[]
  ) {
    const assetNames = new Map(assets.map((a) => [a.id.toPrimitive(), a.name]));
    const resourceNames = new Map(resources.map((r) => [r.id.toPrimitive(), r.name]));

    const rows = (table: Table) => this.rows(table, companyId, transaction);

    const profiles = (await rows("work_profiles")).map((r) => ({
      id: profileIdentity(r.id).toPrimitive(),
      values: WorkProfileInputSchema.parse(r.values),
    }));
    const configurations = [
      ...this.mail(await rows("mail_configurations"), profiles),
      ...(await this.profileConfigurations(
        companyId,
        transaction,
        profiles,
        assetNames,
        resourceNames
      )),
      ...this.remote(await rows("remote_connections"), assetNames, resourceNames),
    ];
    const relationships: ProcessReviewSources["relationships"][number][] = [];
    const workspaces = await this.database.query<{ id: string }>(
      "SELECT id FROM access_workspaces WHERE companyId=:companyId",
      { replacements: { companyId }, transaction, type: QueryTypes.SELECT }
    );
    const rawAccess = (await readAccessItems(this.database, transaction)).filter((row) =>
      workspaces.some((workspace) => workspace.id === row.workspaceId)
    );
    const access = rawAccess.map((r) => ({
      id: profileIdentity(r.id).toPrimitive(),
      values: AccessDefinitionSchema.parse(r.values),
    }));

    relationships.push(...accessReviewRelationships(access));
    const mailboxes = await this.database.query<{ id: string; address: string }>(
      "SELECT id,address FROM mailboxes WHERE companyId=:companyId",
      { replacements: { companyId }, transaction, type: QueryTypes.SELECT }
    );

    for (const r of await rows("mailbox_uses")) {
      const v = MailboxUseInputSchema.parse(r.values);

      relationships.push({
        id: profileIdentity(r.id).toPrimitive(),
        kind: "mailbox_use",
        personId: v.personId,
        label: mailboxes.find((m) => m.id === v.mailboxId)?.address ?? v.mailboxId,
        endDate: v.endDate,
        configuration: null,
      });
    }
    const authorizations = (await rows("telework_authorizations")).map((r) => ({
      id: profileIdentity(r.id).toPrimitive(),
      ...TeleworkAuthorizationInputSchema.parse(r.values),
    }));
    const sources = {
      assets: assets.map((a) => ({ ...a, id: a.id.toPrimitive() })),
      profiles: profiles.map((p) => ({ id: p.id, ...p.values })),
      configurations,
      relationships,
      authorizations,
    };
    const knownPeople = new Set(people.map((p) => p.id));
    const relatedPeople = [
      ...sources.profiles,
      ...sources.configurations,
      ...sources.relationships,
      ...sources.authorizations,
      ...sources.assets,
    ];

    if (relatedPeople.some((item) => item.personId && !knownPeople.has(item.personId))) {
      throw new Error("Ámbito de revisión inconsistente.");
    }
    const result = new Map(
      people.map((person) => [
        person.id,
        buildProcessReview(person.id, sources, new Date().toISOString().slice(0, 10)).map((ref) =>
          ref.kind === "telework" ? { ...ref, label: person.name } : ref
        ),
      ])
    );

    for (const refs of result.values()) {
      if (new Set(refs.map((r) => `${r.kind}:${r.id}`)).size !== refs.length) {
        throw new Error("Referencias de revisión duplicadas.");
      }
    }

    return result;
  }
}