import logger from "@calcom/lib/logger";
import {
  serviceAccountKeySchema,
  type ServiceAccountKey,
  type EncryptedServiceAccountKey,
  encryptServiceAccountKey,
  decryptServiceAccountKey,
} from "@calcom/lib/server/serviceAccountKey";
import { prisma } from "@calcom/prisma";
import type { Prisma } from "@calcom/prisma/client";

import { OrganizationRepository } from "./organization";

export type { ServiceAccountKey };
const repositoryLogger = logger.getSubLogger({ prefix: ["DelegationCredentialRepository"] });
const delegationCredentialSafeSelect = {
  id: true,
  enabled: true,
  domain: true,
  createdAt: true,
  updatedAt: true,
  organizationId: true,
  lastEnabledAt: true,
  lastDisabledAt: true,
  workspacePlatform: {
    select: {
      name: true,
      slug: true,
    },
  },
};

const delegationCredentialSelectIncludesServiceAccountKey = {
  ...delegationCredentialSafeSelect,
  serviceAccountKey: true,
};

function doesEmailMatchDelegationCredentialDomain({
  memberEmail,
  delegationCredentialEmailDomain,
}: {
  memberEmail: string | null;
  delegationCredentialEmailDomain: string;
}) {
  if (!memberEmail) return false;
  const memberEmailDomain = memberEmail.split("@")[1];
  return memberEmailDomain === delegationCredentialEmailDomain;
}

export class DelegationCredentialRepository {
  private static encryptServiceAccountKey(serviceAccountKey: ServiceAccountKey): EncryptedServiceAccountKey {
    return encryptServiceAccountKey(serviceAccountKey);
  }

  private static decryptServiceAccountKey(encryptedServiceAccountKey: Prisma.JsonValue): ServiceAccountKey {
    return decryptServiceAccountKey(encryptedServiceAccountKey);
  }

  private static withParsedServiceAccountKey<T extends { serviceAccountKey: Prisma.JsonValue } | null>(
    delegationCredential: T
  ) {
    if (!delegationCredential) {
      return null;
    }
    const { serviceAccountKey, ...rest } = delegationCredential;

    // Decrypt the service account key if it exists
    const decryptedKey = this.decryptServiceAccountKey(serviceAccountKey);
    const parsedServiceAccountKey = serviceAccountKeySchema.safeParse(decryptedKey);

    return {
      ...rest,
      serviceAccountKey: parsedServiceAccountKey.success ? parsedServiceAccountKey.data : null,
    };
  }

  static async create(data: {
    domain: string;
    enabled: boolean;
    organizationId: number;
    workspacePlatformId: number;
    serviceAccountKey: ServiceAccountKey;
  }) {
    const encryptedKey = this.encryptServiceAccountKey(data.serviceAccountKey);
    return await prisma.delegationCredential.create({
      data: {
        workspacePlatform: {
          connect: {
            id: data.workspacePlatformId,
          },
        },
        domain: data.domain,
        enabled: data.enabled,
        organization: {
          connect: {
            id: data.organizationId,
          },
        },
        // z.passthrough() is not allowed in Prisma, but we know this is trusted.
        serviceAccountKey: encryptedKey as unknown as Prisma.InputJsonValue,
      },
      select: delegationCredentialSafeSelect,
    });
  }

  static async findById({ id }: { id: string }) {
    return await prisma.delegationCredential.findUnique({
      where: { id },
      select: delegationCredentialSafeSelect,
    });
  }

  static async findUniqueByOrganizationIdAndDomainIncludeSensitiveServiceAccountKey({
    organizationId,
    domain,
  }: {
    organizationId: number;
    domain: string;
  }) {
    const delegationCredential = await prisma.delegationCredential.findUnique({
      where: { organizationId_domain: { organizationId, domain } },
      select: delegationCredentialSelectIncludesServiceAccountKey,
    });
    return DelegationCredentialRepository.withParsedServiceAccountKey(delegationCredential);
  }

  static async findByIdIncludeSensitiveServiceAccountKey({ id }: { id: string }) {
    const delegationCredential = await prisma.delegationCredential.findUnique({
      where: { id },
      select: delegationCredentialSelectIncludesServiceAccountKey,
    });
    if (!delegationCredential) return null;
    return DelegationCredentialRepository.withParsedServiceAccountKey(delegationCredential);
  }

  static async findUniqueByOrgMemberEmailIncludeSensitiveServiceAccountKey({ email }: { email: string }) {
    const log = repositoryLogger.getSubLogger({
      prefix: ["findUniqueByOrgMemberEmailIncludeSensitiveServiceAccountKey"],
    });
    log.debug("called with", { email });
    const organization = await OrganizationRepository.findByMemberEmail({ email });
    if (!organization) {
      log.debug("Email not found in any organization:", email);
      return null;
    }

    const emailDomain = email.split("@")[1];
    const delegationCredential = await prisma.delegationCredential.findUnique({
      where: {
        organizationId_domain: {
          organizationId: organization.id,
          domain: emailDomain,
        },
      },
      select: delegationCredentialSelectIncludesServiceAccountKey,
    });

    return DelegationCredentialRepository.withParsedServiceAccountKey(delegationCredential);
  }

  static async findAllByDomain({ domain }: { domain: string }) {
    return await prisma.delegationCredential.findMany({
      where: { domain },
      select: delegationCredentialSafeSelect,
    });
  }

  static async updateById({
    id,
    data,
  }: {
    id: string;
    data: Partial<{
      workspacePlatformId: number;
      domain: string;
      enabled: boolean;
      organizationId: number;
      lastEnabledAt: Date;
      lastDisabledAt: Date;
    }>;
  }) {
    const { workspacePlatformId, organizationId, ...rest } = data;
    return await prisma.delegationCredential.update({
      where: { id },
      data: {
        ...(workspacePlatformId && {
          workspacePlatform: {
            connect: {
              id: workspacePlatformId,
            },
          },
        }),
        ...(organizationId && {
          organization: {
            connect: {
              id: organizationId,
            },
          },
        }),
        ...rest,
      },
      select: delegationCredentialSafeSelect,
    });
  }

  static async deleteById({ id }: { id: string }) {
    return await prisma.delegationCredential.delete({
      where: { id },
    });
  }

  static async findByOrgIdIncludeSensitiveServiceAccountKey({ organizationId }: { organizationId: number }) {
    return await prisma.delegationCredential.findMany({
      where: { organizationId },
      select: {
        ...delegationCredentialSelectIncludesServiceAccountKey,
        workspacePlatform: {
          select: {
            id: true,
            name: true,
            slug: true,
          },
        },
      },
    });
  }

  static async findAllEnabledIncludeDelegatedMembers() {
    const delegationCredentials = await prisma.delegationCredential.findMany({
      where: {
        enabled: true,
      },
      include: {
        workspacePlatform: {
          select: {
            slug: true,
          },
        },
        organization: {
          include: {
            members: {
              select: {
                id: true,
                userId: true,
                user: {
                  select: {
                    id: true,
                    email: true,
                  },
                },
                accepted: true,
              },
              where: {
                // Note: We don't maintain anything on Membership that can identify if a Membership has been processed, so we send all and let it be on the caller to filter out
                accepted: true,
              },
            },
          },
        },
      },
    });

    return delegationCredentials.map((delegationCredential) => {
      // Members for whom delegation credential is applicable
      const delegatedMembers = delegationCredential.organization.members.filter((member) => {
        return doesEmailMatchDelegationCredentialDomain({
          memberEmail: member.user.email,
          delegationCredentialEmailDomain: delegationCredential.domain,
        });
      });

      return {
        ...delegationCredential,
        organization: {
          ...delegationCredential.organization,
          delegatedMembers,
        },
      };
    });
  }

  static async findAllDisabledAndIncludeNextBatchOfMembersToProcess() {
    const delegationCredentials = await prisma.delegationCredential.findMany({
      where: {
        enabled: false,
      },
      include: {
        workspacePlatform: {
          select: {
            slug: true,
          },
        },
        organization: {
          include: {
            members: {
              select: {
                id: true,
                userId: true,
                user: {
                  select: {
                    id: true,
                    email: true,
                  },
                },
                accepted: true,
              },
              where: {
                // Note: We don't maintain anything on Membership that can identify if a Membership has been processed, so we send all and let it be on the caller to filter out
                accepted: true,
              },
            },
          },
        },
      },
    });

    return delegationCredentials.map((delegationCredential) => {
      const members = delegationCredential.organization.members;
      const membersThatAreActuallyPartOfDelegationCredential = members.filter((member) => {
        return doesEmailMatchDelegationCredentialDomain({
          memberEmail: member.user.email,
          delegationCredentialEmailDomain: delegationCredential.domain,
        });
      });
      return {
        ...delegationCredential,
        organization: {
          ...delegationCredential.organization,
          members: membersThatAreActuallyPartOfDelegationCredential,
        },
      };
    });
  }
}