import { I18nService } from "@/jslib/common/src/abstractions/i18n.service";

import { Entry } from "./models/entry";
import { LdapConfiguration } from "./models/ldapConfiguration";
import { SimResult } from "./models/simResult";
import { SyncConfiguration } from "./models/syncConfiguration";
import { UserEntry } from "./models/userEntry";
import { SyncService } from "./services/sync.service";

export class ConnectorUtils {
  static async simulate(
    syncService: SyncService,
    i18nService: I18nService,
    sinceLast: boolean,
  ): Promise<SimResult> {
    // eslint-disable-next-line
    return new Promise(async (resolve, reject) => {
      const simResult = new SimResult();
      try {
        const result = await syncService.sync(!sinceLast, true);
        if (result[0] != null) {
          simResult.groups = result[0];
        }
        if (result[1] != null) {
          simResult.users = result[1];
        }
      } catch (e) {
        simResult.groups = null;
        simResult.users = null;
        reject(e || i18nService.t("syncError"));
        return;
      }

      const userMap = new Map<string, UserEntry>();
      this.sortEntries(simResult.users, i18nService);
      for (const u of simResult.users) {
        userMap.set(u.externalId, u);
        if (u.deleted) {
          simResult.deletedUsers.push(u);
        } else if (u.disabled) {
          simResult.disabledUsers.push(u);
        } else {
          simResult.enabledUsers.push(u);
        }
      }

      this.sortEntries(simResult.groups, i18nService);
      for (const g of simResult.groups) {
        if (g.userMemberExternalIds == null) {
          continue;
        }

        const anyG = g as any;
        anyG.users = [];
        for (const uid of g.userMemberExternalIds) {
          if (userMap.has(uid)) {
            anyG.users.push(userMap.get(uid));
          } else {
            anyG.users.push({ displayName: uid });
          }
        }

        this.sortEntries(anyG.users, i18nService);
      }

      resolve(simResult);
    });
  }

  static adjustConfigForSave(ldap: LdapConfiguration, sync: SyncConfiguration) {
    if (ldap.ad) {
      sync.creationDateAttribute = "whenCreated";
      sync.revisionDateAttribute = "whenChanged";
      sync.emailPrefixAttribute = "sAMAccountName";
      sync.memberAttribute = "member";
      sync.userObjectClass = "person";
      sync.groupObjectClass = "group";
      sync.userEmailAttribute = "mail";
      sync.groupNameAttribute = "name";

      if (sync.groupPath == null) {
        sync.groupPath = "CN=Users";
      }
      if (sync.userPath == null) {
        sync.userPath = "CN=Users";
      }
    }

    if (sync.interval != null) {
      if (sync.interval <= 0) {
        sync.interval = null;
      } else if (sync.interval < 5) {
        sync.interval = 5;
      }
    }
  }

  private static sortEntries(arr: Entry[], i18nService: I18nService) {
    arr.sort((a, b) => {
      return i18nService.collator
        ? i18nService.collator.compare(a.displayName, b.displayName)
        : a.displayName.localeCompare(b.displayName);
    });
  }
}