import type { Route } from "./+types/admin.sports-seasons.$id.events.$eventId";
import { findSportsSeasonById } from "~/models/sports-season";
import { findParticipantsBySportsSeasonId } from "~/models/participant";
import {
  getScoringEventById,
  completeScoringEvent,
} from "~/models/scoring-event";
import {
  getEventResults,
  createEventResult,
  updateEventResult,
  deleteEventResult,
  type CreateEventResultData,
  type UpdateEventResultData,
} from "~/models/event-result";

export async function loader({ params }: Route.LoaderArgs) {
  const sportsSeason = await findSportsSeasonById(params.id);

  if (!sportsSeason) {
    throw new Response("Sports season not found", { status: 404 });
  }

  const event = await getScoringEventById(params.eventId);

  if (!event) {
    throw new Response("Event not found", { status: 404 });
  }

  const participants = await findParticipantsBySportsSeasonId(params.id);
  const results = await getEventResults(params.eventId);

  return {
    sportsSeason: sportsSeason as typeof sportsSeason & {
      sport: { id: string; name: string; type: string; slug: string };
    },
    event,
    participants,
    results,
  };
}

export async function action({ request, params }: Route.ActionArgs) {
  const formData = await request.formData();
  const intent = formData.get("intent");

  if (intent === "complete") {
    try {
      await completeScoringEvent(params.eventId);
      return { success: "Event marked as completed" };
    } catch (error) {
      console.error("Error completing event:", error);
      return { error: "Failed to complete event" };
    }
  }

  if (intent === "add-result") {
    const participantId = formData.get("participantId");
    const placement = formData.get("placement");

    if (typeof participantId !== "string" || !participantId) {
      return { error: "Participant is required" };
    }

    if (typeof placement !== "string" || !placement) {
      return { error: "Placement is required" };
    }

    const placementNum = parseInt(placement, 10);
    if (isNaN(placementNum) || placementNum < 1 || placementNum > 100) {
      return { error: "Placement must be between 1 and 100" };
    }

    const resultData: CreateEventResultData = {
      scoringEventId: params.eventId,
      participantId,
      placement: placementNum,
    };

    try {
      await createEventResult(resultData);
      return { success: "Result added successfully" };
    } catch (error) {
      console.error("Error adding result:", error);
      return { error: "Failed to add result" };
    }
  }

  if (intent === "update-result") {
    const resultId = formData.get("resultId");
    const placement = formData.get("placement");

    if (typeof resultId !== "string" || !resultId) {
      return { error: "Result ID is required" };
    }

    if (typeof placement !== "string" || !placement) {
      return { error: "Placement is required" };
    }

    const placementNum = parseInt(placement, 10);
    if (isNaN(placementNum) || placementNum < 1 || placementNum > 100) {
      return { error: "Placement must be between 1 and 100" };
    }

    const updateData: UpdateEventResultData = {
      placement: placementNum,
    };

    try {
      await updateEventResult(resultId, updateData);
      return { success: "Result updated successfully" };
    } catch (error) {
      console.error("Error updating result:", error);
      return { error: "Failed to update result" };
    }
  }

  if (intent === "delete-result") {
    const resultId = formData.get("resultId");

    if (typeof resultId !== "string" || !resultId) {
      return { error: "Result ID is required" };
    }

    try {
      await deleteEventResult(resultId);
      return { success: "Result deleted successfully" };
    } catch (error) {
      console.error("Error deleting result:", error);
      return { error: "Failed to delete result" };
    }
  }

  return { error: "Invalid action" };
}