import type {
  MailboxRights,
  CalendarRights,
  AddressBookRights,
  FileNodeRights,
} from "@/lib/jmap/types";

export type SharedResourceKind =
  | "mailbox"
  | "calendar"
  | "addressBook"
  | "file";

export const MAILBOX_RIGHTS_PRESETS: Record<string, MailboxRights> = {
  read: {
    mayReadItems: true,
    mayAddItems: false,
    mayRemoveItems: false,
    maySetSeen: false,
    maySetKeywords: false,
    mayCreateChild: false,
    mayRename: false,
    mayDelete: false,
    maySubmit: false,
  },
  readWrite: {
    mayReadItems: true,
    mayAddItems: true,
    mayRemoveItems: false,
    maySetSeen: true,
    maySetKeywords: true,
    mayCreateChild: false,
    mayRename: false,
    mayDelete: false,
    maySubmit: true,
  },
  manager: {
    mayReadItems: true,
    mayAddItems: true,
    mayRemoveItems: true,
    maySetSeen: true,
    maySetKeywords: true,
    mayCreateChild: true,
    mayRename: true,
    mayDelete: true,
    maySubmit: true,
    mayShare: true,
  },
};

export const MAILBOX_ROLE_LABELS: Record<string, string> = {
  read: "Viewer",
  readWrite: "Editor",
  manager: "Manager",
};

export const CALENDAR_ROLE_LABELS: Record<string, string> = {
  read: "Viewer",
  readWrite: "Editor",
  manager: "Manager",
};

export const ADDRESSBOOK_ROLE_LABELS: Record<string, string> = {
  read: "Viewer",
  readWrite: "Editor",
  manager: "Manager",
};

export const FILE_ROLE_LABELS: Record<string, string> = {
  read: "Viewer",
  readWrite: "Editor",
  manager: "Manager",
};

export const CALENDAR_RIGHTS_PRESETS: Record<string, CalendarRights> = {
  read: {
    mayReadFreeBusy: true,
    mayReadItems: true,
    mayWriteAll: false,
    mayWriteOwn: false,
    mayUpdatePrivate: false,
    mayRSVP: false,
    mayShare: false,
    mayDelete: false,
  },
  readWrite: {
    mayReadFreeBusy: true,
    mayReadItems: true,
    mayWriteAll: true,
    mayWriteOwn: true,
    mayUpdatePrivate: true,
    mayRSVP: true,
    mayShare: false,
    mayDelete: false,
  },
  manager: {
    mayReadFreeBusy: true,
    mayReadItems: true,
    mayWriteAll: true,
    mayWriteOwn: true,
    mayUpdatePrivate: true,
    mayRSVP: true,
    mayShare: true,
    mayDelete: true,
  },
};

export const ADDRESS_BOOK_RIGHTS_PRESETS: Record<string, AddressBookRights> = {
  read: { mayRead: true, mayWrite: false, mayShare: false, mayDelete: false },
  readWrite: {
    mayRead: true,
    mayWrite: true,
    mayShare: false,
    mayDelete: false,
  },
  manager: {
    mayRead: true,
    mayWrite: true,
    mayShare: true,
    mayDelete: true,
  },
};

export const FILE_RIGHTS_PRESETS: Record<string, FileNodeRights> = {
  read: {
    mayRead: true,
    mayAddChildren: false,
    mayRename: false,
    mayDelete: false,
    mayModifyContent: false,
    mayShare: false,
  },
  readWrite: {
    mayRead: true,
    mayAddChildren: true,
    mayRename: true,
    mayDelete: true,
    mayModifyContent: true,
    mayShare: false,
  },
  manager: {
    mayRead: true,
    mayAddChildren: true,
    mayRename: true,
    mayDelete: true,
    mayModifyContent: true,
    mayShare: true,
  },
};

export function resolveRights(
  kind: SharedResourceKind,
  role: string,
): MailboxRights | CalendarRights | AddressBookRights | FileNodeRights {
  switch (kind) {
    case "mailbox":
      return (
        MAILBOX_RIGHTS_PRESETS[role] ?? MAILBOX_RIGHTS_PRESETS.read
      );
    case "calendar":
      return (
        CALENDAR_RIGHTS_PRESETS[role] ?? CALENDAR_RIGHTS_PRESETS.read
      );
    case "addressBook":
      return (
        ADDRESS_BOOK_RIGHTS_PRESETS[role] ?? ADDRESS_BOOK_RIGHTS_PRESETS.read
      );
    case "file":
      return FILE_RIGHTS_PRESETS[role] ?? FILE_RIGHTS_PRESETS.read;
  }
}

export function detectMailboxPreset(rights: MailboxRights): string {
  for (const [name, preset] of Object.entries(MAILBOX_RIGHTS_PRESETS)) {
    const keys = Object.keys(preset) as (keyof MailboxRights)[];
    if (
      keys.every(
        (k) =>
          (preset[k] ?? false) === (rights[k] ?? false),
      )
    ) {
      return name;
    }
  }
  return "custom";
}

export function detectCalendarPreset(rights: CalendarRights): string {
  for (const [name, preset] of Object.entries(CALENDAR_RIGHTS_PRESETS)) {
    const keys = Object.keys(preset) as (keyof CalendarRights)[];
    if (keys.every((k) => (preset[k] ?? false) === (rights[k] ?? false))) {
      return name;
    }
  }
  return "custom";
}

export function detectAddressBookPreset(rights: AddressBookRights): string {
  for (const [name, preset] of Object.entries(ADDRESS_BOOK_RIGHTS_PRESETS)) {
    const keys = Object.keys(preset) as (keyof AddressBookRights)[];
    if (keys.every((k) => (preset[k] ?? false) === (rights[k] ?? false))) {
      return name;
    }
  }
  return "custom";
}

export function detectFilePreset(rights: FileNodeRights): string {
  for (const [name, preset] of Object.entries(FILE_RIGHTS_PRESETS)) {
    const keys = Object.keys(preset) as (keyof FileNodeRights)[];
    if (keys.every((k) => (preset[k] ?? false) === (rights[k] ?? false))) {
      return name;
    }
  }
  return "custom";
}