import type {
  CircuitListDto,
  CreateFloorInput,
  CreateProjectDeviceInput,
  CreateRoomInput,
  CreateGlobalDeviceInput,
  DistributionBoardDto,
  FloorDto,
  GlobalDeviceDto,
  ProjectDeviceDto,
  ProjectDeviceDisconnectResultDto,
  ProjectDeviceSyncPreviewDto,
  ProjectDeviceSyncRestoreRowDto,
  ProjectDeviceSyncResultDto,
  ProjectDto,
  RoomDto,
  CircuitTreeResponseDto,
  CircuitTreeCircuitDto,
  CircuitTreeDeviceRowDto,
  CreateCircuitInputDto,
  UpdateCircuitInputDto,
  CreateCircuitDeviceRowInputDto,
  UpdateCircuitDeviceRowInputDto,
} from "../types";
import type { ProjectDeviceSyncField } from "../../shared/constants/project-device-sync-fields";

async function request<T>(url: string, init?: RequestInit): Promise<T> {
  const response = await fetch(url, {
    ...init,
    headers: {
      "Content-Type": "application/json",
      ...init?.headers,
    },
    cache: "no-store",
  });

  if (!response.ok) {
    const details = await response.text();
    throw new Error(details || `Anfrage fehlgeschlagen (Status ${response.status})`);
  }

  if (response.status === 204) {
    return undefined as T;
  }

  return response.json() as Promise<T>;
}

export function listProjects() {
  return request<ProjectDto[]>("/api/projects");
}

export function getProject(projectId: string) {
  return request<ProjectDto>(`/api/projects/${projectId}`);
}

export function createProject(name: string) {
  return request<ProjectDto>("/api/projects", {
    method: "POST",
    body: JSON.stringify({ name }),
  });
}

export function updateProjectSettings(
  projectId: string,
  input: { singlePhaseVoltageV: number; threePhaseVoltageV: number }
) {
  return request<ProjectDto>(`/api/projects/${projectId}`, {
    method: "PUT",
    body: JSON.stringify(input),
  });
}

export function listDistributionBoards(projectId: string) {
  return request<DistributionBoardDto[]>(`/api/projects/${projectId}/distribution-boards`);
}

export function createDistributionBoard(projectId: string, name: string) {
  return request<DistributionBoardDto>(`/api/projects/${projectId}/distribution-boards`, {
    method: "POST",
    body: JSON.stringify({ name }),
  });
}

export function listCircuitLists(projectId: string) {
  return request<CircuitListDto[]>(`/api/projects/${projectId}/circuit-lists`);
}

export function getCircuitTree(projectId: string, circuitListId: string) {
  return request<CircuitTreeResponseDto>(`/api/projects/${projectId}/circuit-lists/${circuitListId}/tree`);
}

export function createCircuit(projectId: string, circuitListId: string, input: CreateCircuitInputDto) {
  return request(`/api/projects/${projectId}/circuit-lists/${circuitListId}/circuits`, {
    method: "POST",
    body: JSON.stringify(input),
  });
}

export function createCircuitWithDeviceRows(
  projectId: string,
  circuitListId: string,
  input: {
    circuit: CreateCircuitInputDto;
    deviceRows: CreateCircuitDeviceRowInputDto[];
  }
) {
  return request<{
    circuit: CircuitTreeCircuitDto;
    deviceRows: CircuitTreeDeviceRowDto[];
  }>(
    `/api/projects/${projectId}/circuit-lists/${circuitListId}/circuits-with-device-rows`,
    {
      method: "POST",
      body: JSON.stringify(input),
    }
  );
}

export function updateCircuitById(circuitId: string, input: UpdateCircuitInputDto) {
  return request(`/api/circuits/${circuitId}`, {
    method: "PATCH",
    body: JSON.stringify(input),
  });
}

export function deleteCircuitById(circuitId: string) {
  return request<void>(`/api/circuits/${circuitId}`, {
    method: "DELETE",
  });
}

export function getNextCircuitIdentifier(sectionId: string) {
  return request<{ sectionId: string; nextIdentifier: string }>(
    `/api/circuit-sections/${sectionId}/next-identifier`
  );
}

export function createCircuitDeviceRow(circuitId: string, input: CreateCircuitDeviceRowInputDto) {
  return request(`/api/circuits/${circuitId}/device-rows`, {
    method: "POST",
    body: JSON.stringify(input),
  });
}

export function updateCircuitDeviceRowById(rowId: string, input: UpdateCircuitDeviceRowInputDto) {
  return request(`/api/circuit-device-rows/${rowId}`, {
    method: "PATCH",
    body: JSON.stringify(input),
  });
}

export function deleteCircuitDeviceRowById(rowId: string) {
  return request<void>(`/api/circuit-device-rows/${rowId}`, {
    method: "DELETE",
  });
}

export function moveCircuitDeviceRowById(
  rowId: string,
  input: { targetCircuitId?: string; targetSectionId?: string; createNewCircuit?: boolean }
) {
  return request(`/api/circuit-device-rows/${rowId}/move`, {
    method: "PATCH",
    body: JSON.stringify(input),
  });
}

export function moveCircuitDeviceRowsBulk(input: {
  rowIds: string[];
  targetCircuitId?: string;
  targetSectionId?: string;
  createNewCircuit?: boolean;
}) {
  return request<{ movedRowIds: string[]; targetCircuitId: string; createdCircuitId?: string }>(
    "/api/circuit-device-rows/move-bulk",
    {
      method: "PATCH",
      body: JSON.stringify(input),
    }
  );
}

export function renumberCircuitSection(sectionId: string) {
  return request(`/api/circuit-sections/${sectionId}/renumber`, {
    method: "POST",
  });
}

export function reorderSectionCircuits(sectionId: string, orderedCircuitIds: string[]) {
  return request(`/api/circuit-sections/${sectionId}/circuits/reorder`, {
    method: "PATCH",
    body: JSON.stringify({ orderedCircuitIds }),
  });
}

export function updateSectionEquipmentIdentifiers(
  sectionId: string,
  identifiers: Array<{ circuitId: string; equipmentIdentifier: string }>
) {
  return request(`/api/circuit-sections/${sectionId}/equipment-identifiers`, {
    method: "PATCH",
    body: JSON.stringify({ identifiers }),
  });
}

export function listFloors(projectId: string) {
  return request<FloorDto[]>(`/api/projects/${projectId}/floors`);
}

export function createFloor(projectId: string, input: CreateFloorInput) {
  return request<FloorDto>(`/api/projects/${projectId}/floors`, {
    method: "POST",
    body: JSON.stringify(input),
  });
}

export function listRooms(projectId: string) {
  return request<RoomDto[]>(`/api/projects/${projectId}/rooms`);
}

export function createRoom(projectId: string, input: CreateRoomInput) {
  return request<RoomDto>(`/api/projects/${projectId}/rooms`, {
    method: "POST",
    body: JSON.stringify(input),
  });
}

export function listGlobalDevices() {
  return request<GlobalDeviceDto[]>("/api/global-devices");
}

export function createGlobalDevice(input: CreateGlobalDeviceInput) {
  return request<GlobalDeviceDto>("/api/global-devices", {
    method: "POST",
    body: JSON.stringify(input),
  });
}

export function updateGlobalDevice(globalDeviceId: string, input: CreateGlobalDeviceInput) {
  return request<GlobalDeviceDto>(`/api/global-devices/${globalDeviceId}`, {
    method: "PUT",
    body: JSON.stringify(input),
  });
}

export function deleteGlobalDevice(globalDeviceId: string) {
  return request<void>(`/api/global-devices/${globalDeviceId}`, { method: "DELETE" });
}

export function copyProjectDeviceToGlobal(projectId: string, projectDeviceId: string) {
  return request<GlobalDeviceDto>(`/api/global-devices/import-project/${projectId}/${projectDeviceId}`, {
    method: "POST",
  });
}

export function listProjectDevices(projectId: string) {
  return request<ProjectDeviceDto[]>(`/api/project-devices/projects/${projectId}`);
}

export function createProjectDevice(projectId: string, input: CreateProjectDeviceInput) {
  return request<ProjectDeviceDto>(`/api/project-devices/projects/${projectId}`, {
    method: "POST",
    body: JSON.stringify(input),
  });
}

export function updateProjectDevice(
  projectId: string,
  projectDeviceId: string,
  input: CreateProjectDeviceInput
) {
  return request<ProjectDeviceDto>(`/api/project-devices/projects/${projectId}/${projectDeviceId}`, {
    method: "PUT",
    body: JSON.stringify(input),
  });
}

export function deleteProjectDevice(projectId: string, projectDeviceId: string) {
  return request<void>(`/api/project-devices/projects/${projectId}/${projectDeviceId}`, {
    method: "DELETE",
  });
}

export function copyGlobalDeviceToProject(projectId: string, globalDeviceId: string) {
  return request<ProjectDeviceDto>(`/api/project-devices/projects/${projectId}/import-global/${globalDeviceId}`, {
    method: "POST",
  });
}

export function getProjectDeviceSyncPreview(projectId: string, projectDeviceId: string) {
  return request<ProjectDeviceSyncPreviewDto>(
    `/api/project-devices/projects/${projectId}/${projectDeviceId}/links`
  );
}

export function synchronizeProjectDeviceRows(
  projectId: string,
  projectDeviceId: string,
  rowIds: string[],
  fields: ProjectDeviceSyncField[]
) {
  return request<ProjectDeviceSyncResultDto>(
    `/api/project-devices/projects/${projectId}/${projectDeviceId}/synchronize`,
    {
      method: "POST",
      body: JSON.stringify({ rowIds, fields }),
    }
  );
}

export function disconnectProjectDeviceRows(
  projectId: string,
  projectDeviceId: string,
  rowIds: string[]
) {
  return request<ProjectDeviceDisconnectResultDto>(
    `/api/project-devices/projects/${projectId}/${projectDeviceId}/disconnect`,
    {
      method: "POST",
      body: JSON.stringify({ rowIds }),
    }
  );
}

export function restoreProjectDeviceRows(
  projectId: string,
  projectDeviceId: string,
  rows: ProjectDeviceSyncRestoreRowDto[]
) {
  return request<ProjectDeviceSyncPreviewDto>(
    `/api/project-devices/projects/${projectId}/${projectDeviceId}/restore`,
    {
      method: "POST",
      body: JSON.stringify({ rows }),
    }
  );
}

export function reconnectProjectDeviceRows(
  projectId: string,
  projectDeviceId: string,
  rowIds: string[]
) {
  return request<ProjectDeviceSyncPreviewDto>(
    `/api/project-devices/projects/${projectId}/${projectDeviceId}/reconnect`,
    {
      method: "POST",
      body: JSON.stringify({ rowIds }),
    }
  );
}