import { getPayload, Payload } from "payload";
import config from "@/payload.config";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { classifyKillCategory, parseKillPayload, processPlayerKill } from "@/lib/arma-bridge/processSyncEvents";

let payload: Payload;
const RUN = `kill-${Date.now().toString(36)}`;

describe("Kill tracking", () => {
  let userId: number;
  let profileId: number;

  beforeAll(async () => {
    const payloadConfig = await config;
    payload = await getPayload({ config: payloadConfig });

    const user = await payload.create({
      collection: "users",
      data: {
        username: `${RUN}-killer`,
        discordUsername: `${RUN}-killer-discord`,
        displayName: `${RUN} Killer`,
        steamId: `${RUN}-steam-001`,
        password: "Test1234",
      },
      overrideAccess: true,
      depth: 0,
    });
    userId = user.id;

    const profiles = await payload.find({
      collection: "profiles",
      where: { user: { equals: userId } },
      limit: 1,
      depth: 0,
      overrideAccess: true,
    });
    profileId = profiles.docs[0].id;
  });

  afterAll(async () => {
    if (profileId) {
      await payload.delete({ collection: "profiles", id: profileId, overrideAccess: true }).catch(() => {});
    }
    if (userId) {
      await payload.delete({ collection: "users", id: userId, overrideAccess: true }).catch(() => {});
    }
  });

  describe("classifyKillCategory", () => {
    it("classifies infantry kills", () => {
      expect(classifyKillCategory("O_T_Soldier_AT_F")).toBe("infantryKills");
      expect(classifyKillCategory("B_Soldier_GL_F")).toBe("infantryKills");
      expect(classifyKillCategory(null)).toBe("infantryKills");
      expect(classifyKillCategory("")).toBe("infantryKills");
    });

    it("classifies vehicle kills", () => {
      expect(classifyKillCategory("B_T_LTV_01_recon_F")).toBe("vehicleKills");
      expect(classifyKillCategory("O_T_MRAP_01_hmg_F")).toBe("vehicleKills");
    });

    it("classifies armor kills", () => {
      expect(classifyKillCategory("B_T_MBT_01_cannon_F")).toBe("armorKills");
      expect(classifyKillCategory("O_T_APC_Wheeled_02_rcws_F")).toBe("armorKills");
      expect(classifyKillCategory("I_LT_01_AT_F")).toBe("armorKills");
    });

    it("classifies air kills", () => {
      expect(classifyKillCategory("B_Heli_Light_01_armed_F")).toBe("airKills");
      expect(classifyKillCategory("O_T_VTOL_02_infantry_dynamicLoadout_F")).toBe("airKills");
      expect(classifyKillCategory("B_Plane_Fighter_01_stealth_F")).toBe("airKills");
    });
  });

  describe("parseKillPayload", () => {
    it("parses valid kill payload", () => {
      const result = parseKillPayload([
        "Qi Fu", "", "[Capt.] J. Fraley", "76561198091303179",
        "[Capt.] J. Fraley", "76561198091303179", "O_T_Soldier_AT_F", "B_Officer_Parade_Veteran_F",
      ]);
      expect(result).toEqual({
        victimName: "Qi Fu",
        killerName: "[Capt.] J. Fraley",
        killerSteamId: "76561198091303179",
        victimVehicle: "O_T_Soldier_AT_F",
        killerVehicle: "B_Officer_Parade_Veteran_F",
      });
    });

    it("returns null for invalid payload", () => {
      expect(parseKillPayload(null)).toBeNull();
      expect(parseKillPayload("string")).toBeNull();
      expect(parseKillPayload([])).toBeNull();
      expect(parseKillPayload([1, 2, 3])).toBeNull();
    });
  });

  describe("processPlayerKill", () => {
    it("increments infantryKills for soldier victim", async () => {
      const before = await payload.findByID({ collection: "profiles", id: profileId, depth: 0, overrideAccess: true });
      const beforeCount = (before.progression?.scoreboard as Record<string, number>)?.infantryKills ?? 0;

      await processPlayerKill(payload, {
        id: 999001,
        payload: ["Qi Fu", "", `${RUN} Killer`, `${RUN}-steam-001`,
          `${RUN} Killer`, `${RUN}-steam-001`, "O_T_Soldier_AT_F", "B_Officer_Parade_Veteran_F"],
        occurredAt: new Date().toISOString(),
      });

      const after = await payload.findByID({ collection: "profiles", id: profileId, depth: 0, overrideAccess: true });
      const afterCount = (after.progression?.scoreboard as Record<string, number>)?.infantryKills ?? 0;
      expect(afterCount).toBe(beforeCount + 1);
    });

    it("increments armorKills for armored victim", async () => {
      const before = await payload.findByID({ collection: "profiles", id: profileId, depth: 0, overrideAccess: true });
      const beforeCount = (before.progression?.scoreboard as Record<string, number>)?.armorKills ?? 0;

      await processPlayerKill(payload, {
        id: 999002,
        payload: ["Tank", "", `${RUN} Killer`, `${RUN}-steam-001`,
          `${RUN} Killer`, `${RUN}-steam-001`, "B_T_MBT_01_cannon_F", "B_T_MBT_01_cannon_F"],
        occurredAt: new Date().toISOString(),
      });

      const after = await payload.findByID({ collection: "profiles", id: profileId, depth: 0, overrideAccess: true });
      const afterCount = (after.progression?.scoreboard as Record<string, number>)?.armorKills ?? 0;
      expect(afterCount).toBe(beforeCount + 1);
    });

    it("ignores events for unknown Steam IDs", async () => {
      await processPlayerKill(payload, {
        id: 999003,
        payload: ["Victim", "", "Unknown Player", "00000000000000000",
          "Unknown Player", "00000000000000000", "O_T_Soldier_AT_F", "B_Soldier_F"],
        occurredAt: new Date().toISOString(),
      });
    });
  });
});