import { AxiosError } from "axios";
import { apiClient } from "./client";

export interface ToolInstance {
  id: string;
  name: string;
  display_name: string;
  tool_type_id: string;
  tool_type_name: string;
  tool_type_interfaces: string[];
  status: string;
  url: string | null;
  port: number | null;
  selected_config_profile_id: string | null;
  created_at: string;
}

export interface Session {
  id: string;
  display_name: string;
  tool_type_name: string;
  tool_icon: string;
  tool_type_interfaces: string[];
  repository_name: string;
  repository_id: string;
  project_name: string;
  project_id: string;
  status: string;
  url: string | null;
  container_status?: string;
  probe_status?: string;
  clone_mode?: string;
  branch?: string | null;
  created_at?: string;
}

export async function listInstances(
  projectId: string,
  repoId: string
): Promise<ToolInstance[]> {
  const response = await apiClient.get(
    `/projects/${projectId}/repositories/${repoId}/instances`
  );
  return response.data.instances;
}

export async function createInstance(
  projectId: string,
  repoId: string,
  toolTypeId: string,
  displayName?: string,
  cloneMode?: string,
  branch?: string,
  newBranch?: string,
  configProfileId?: string
): Promise<ToolInstance> {
  const response = await apiClient.post(
    `/projects/${projectId}/repositories/${repoId}/instances`,
    {
      tool_type_id: toolTypeId,
      display_name: displayName,
      clone_mode: cloneMode || "mount",
      branch: branch || undefined,
      new_branch: newBranch || undefined,
      config_profile_id: configProfileId,
    }
  );
  return response.data;
}

export async function startInstance(
  projectId: string,
  repoId: string,
  instanceId: string,
  configProfileId?: string,
  retries = 2
): Promise<{ status: string; url?: string }> {
  try {
    const response = await apiClient.post(
      `/projects/${projectId}/repositories/${repoId}/instances/${instanceId}/start`,
      { config_profile_id: configProfileId }
    );
    return response.data;
  } catch (error) {
    // Retry on network errors (e.g. Docker creating network interfaces)
    const axiosError = error as AxiosError;
    if (retries > 0 && !axiosError.response) {
      await new Promise((r) => setTimeout(r, 1500));
      return startInstance(projectId, repoId, instanceId, configProfileId, retries - 1);
    }
    throw error;
  }
}

export async function stopInstance(
  projectId: string,
  repoId: string,
  instanceId: string
): Promise<{ status: string }> {
  const response = await apiClient.post(
    `/projects/${projectId}/repositories/${repoId}/instances/${instanceId}/stop`
  );
  return response.data;
}

export async function restartInstance(
  projectId: string,
  repoId: string,
  instanceId: string,
  configProfileId?: string,
  retries = 2
): Promise<{ status: string; url?: string }> {
  try {
    const response = await apiClient.post(
      `/projects/${projectId}/repositories/${repoId}/instances/${instanceId}/restart`,
      { config_profile_id: configProfileId }
    );
    return response.data;
  } catch (error) {
    // Retry on network errors (e.g. Docker creating network interfaces)
    const axiosError = error as AxiosError;
    if (retries > 0 && !axiosError.response) {
      await new Promise((r) => setTimeout(r, 1500));
      return restartInstance(projectId, repoId, instanceId, configProfileId, retries - 1);
    }
    throw error;
  }
}

export async function deleteInstance(
  projectId: string,
  repoId: string,
  instanceId: string,
  force?: boolean
): Promise<void> {
  await apiClient.delete(
    `/projects/${projectId}/repositories/${repoId}/instances/${instanceId}`,
    { params: { force } }
  );
}

export async function getUserSessions(): Promise<Session[]> {
  const response = await apiClient.get("/users/me/sessions");
  return response.data.sessions;
}

export interface InstanceHealth {
  healthy: boolean;
  container_status: string;
  container_health: string | null;
  container_exit_code: number | null;
  tunnel_status: string;
  tunnel_status_code: number | null;
  probe_status: string;
  last_probe_output: string | null;
  error: string | null;
}

export async function checkInstanceHealth(
  projectId: string,
  repoId: string,
  instanceId: string
): Promise<InstanceHealth> {
  const response = await apiClient.get(
    `/projects/${projectId}/repositories/${repoId}/instances/${instanceId}/health`
  );
  return response.data;
}

export async function recreateInstanceTunnel(
  projectId: string,
  repoId: string,
  instanceId: string
): Promise<{ status: string; url?: string }> {
  const response = await apiClient.post(
    `/projects/${projectId}/repositories/${repoId}/instances/${instanceId}/recreate-tunnel`
  );
  return response.data;
}