import { describe, it, expect, vi, beforeEach } from "vitest";
import { ref, computed } from "vue";
import {
  MEMBER_STATUSES,
  MEMBER_STATUS_CONFIG,
  useMemberStatus,
} from "../../../app/composables/useMemberStatus.js";

// Stub Vue's computed as a global (Nuxt auto-import)
vi.stubGlobal("computed", computed);

// Shared reactive ref for controlling member status in tests
const memberData = ref({ status: "active" });
vi.stubGlobal("useAuth", () => ({ memberData }));

describe("MEMBER_STATUSES", () => {
  it("has all four status keys", () => {
    expect(Object.keys(MEMBER_STATUSES)).toEqual([
      "PENDING_PAYMENT",
      "ACTIVE",
      "SUSPENDED",
      "CANCELLED",
    ]);
  });

  it("maps to expected string values", () => {
    expect(MEMBER_STATUSES.PENDING_PAYMENT).toBe("pending_payment");
    expect(MEMBER_STATUSES.ACTIVE).toBe("active");
    expect(MEMBER_STATUSES.SUSPENDED).toBe("suspended");
    expect(MEMBER_STATUSES.CANCELLED).toBe("cancelled");
  });
});

describe("MEMBER_STATUS_CONFIG", () => {
  const requiredFields = [
    "label",
    "color",
    "canRSVP",
    "canAccessMembers",
    "canPeerSupport",
  ];

  it("has config for every status value", () => {
    for (const status of Object.values(MEMBER_STATUSES)) {
      expect(MEMBER_STATUS_CONFIG).toHaveProperty(status);
    }
  });

  it("each config has required fields", () => {
    for (const [key, config] of Object.entries(MEMBER_STATUS_CONFIG)) {
      for (const field of requiredFields) {
        expect(config, `${key} missing ${field}`).toHaveProperty(field);
      }
    }
  });

  it("active has full permissions", () => {
    const cfg = MEMBER_STATUS_CONFIG.active;
    expect(cfg.canRSVP).toBe(true);
    expect(cfg.canAccessMembers).toBe(true);
    expect(cfg.canPeerSupport).toBe(true);
  });

  it("pending_payment can access members but not RSVP or peer support", () => {
    const cfg = MEMBER_STATUS_CONFIG.pending_payment;
    expect(cfg.canRSVP).toBe(false);
    expect(cfg.canAccessMembers).toBe(true);
    expect(cfg.canPeerSupport).toBe(false);
  });

  it("suspended has all permissions false", () => {
    const cfg = MEMBER_STATUS_CONFIG.suspended;
    expect(cfg.canRSVP).toBe(false);
    expect(cfg.canAccessMembers).toBe(false);
    expect(cfg.canPeerSupport).toBe(false);
  });

  it("cancelled has all permissions false", () => {
    const cfg = MEMBER_STATUS_CONFIG.cancelled;
    expect(cfg.canRSVP).toBe(false);
    expect(cfg.canAccessMembers).toBe(false);
    expect(cfg.canPeerSupport).toBe(false);
  });
});

describe("useMemberStatus composable", () => {
  beforeEach(() => {
    memberData.value = { status: "active" };
  });

  describe("status detection", () => {
    it("defaults to pending_payment when memberData has no status", () => {
      memberData.value = {};
      const { status } = useMemberStatus();
      expect(status.value).toBe("pending_payment");
    });

    it("defaults to pending_payment when memberData is null", () => {
      memberData.value = null;
      const { status } = useMemberStatus();
      expect(status.value).toBe("pending_payment");
    });

    it("isActive is true when status is active", () => {
      memberData.value = { status: "active" };
      const { isActive } = useMemberStatus();
      expect(isActive.value).toBe(true);
    });

    it("isActive is false when status is not active", () => {
      memberData.value = { status: "suspended" };
      const { isActive, isInactive } = useMemberStatus();
      expect(isActive.value).toBe(false);
      expect(isInactive.value).toBe(true);
    });
  });

  describe("permissions", () => {
    it("canRSVP is true when active", () => {
      memberData.value = { status: "active" };
      const { canRSVP } = useMemberStatus();
      expect(canRSVP.value).toBe(true);
    });

    it("canRSVP is false when pending_payment", () => {
      memberData.value = { status: "pending_payment" };
      const { canRSVP } = useMemberStatus();
      expect(canRSVP.value).toBe(false);
    });

    it("canAccessMembers is true for active and pending_payment", () => {
      for (const status of ["active", "pending_payment"]) {
        memberData.value = { status };
        const { canAccessMembers } = useMemberStatus();
        expect(canAccessMembers.value, `expected true for ${status}`).toBe(
          true,
        );
      }
    });

    it("canAccessMembers is false for suspended and cancelled", () => {
      for (const status of ["suspended", "cancelled"]) {
        memberData.value = { status };
        const { canAccessMembers } = useMemberStatus();
        expect(canAccessMembers.value, `expected false for ${status}`).toBe(
          false,
        );
      }
    });
  });

  describe("getNextAction", () => {
    it("returns Complete Payment for pending_payment", () => {
      memberData.value = { status: "pending_payment" };
      const { getNextAction } = useMemberStatus();
      const action = getNextAction();
      expect(action.label).toBe("Complete Payment");
      expect(action.link).toBe("/member/account");
    });

    it("returns Reactivate Membership for cancelled", () => {
      memberData.value = { status: "cancelled" };
      const { getNextAction } = useMemberStatus();
      const action = getNextAction();
      expect(action.label).toBe("Reactivate Membership");
      expect(action.link).toBe("/member/account");
    });

    it("returns Contact Support for suspended", () => {
      memberData.value = { status: "suspended" };
      const { getNextAction } = useMemberStatus();
      const action = getNextAction();
      expect(action.label).toBe("Contact Support");
      expect(action.link).toBe("mailto:support@ghostguild.org");
    });

    it("returns null for active", () => {
      memberData.value = { status: "active" };
      const { getNextAction } = useMemberStatus();
      expect(getNextAction()).toBeNull();
    });
  });

  describe("getBannerMessage", () => {
    it("returns payment message for pending_payment", () => {
      memberData.value = { status: "pending_payment" };
      const { getBannerMessage } = useMemberStatus();
      expect(getBannerMessage()).toContain("pending payment");
    });

    it("returns suspended message for suspended", () => {
      memberData.value = { status: "suspended" };
      const { getBannerMessage } = useMemberStatus();
      expect(getBannerMessage()).toContain("suspended");
    });

    it("returns cancelled message for cancelled", () => {
      memberData.value = { status: "cancelled" };
      const { getBannerMessage } = useMemberStatus();
      expect(getBannerMessage()).toContain("cancelled");
    });

    it("returns null for active", () => {
      memberData.value = { status: "active" };
      const { getBannerMessage } = useMemberStatus();
      expect(getBannerMessage()).toBeNull();
    });
  });

  describe("getRSVPMessage", () => {
    it("returns payment message for pending_payment", () => {
      memberData.value = { status: "pending_payment" };
      const { getRSVPMessage } = useMemberStatus();
      expect(getRSVPMessage()).toContain("payment");
    });

    it("returns restriction message for suspended", () => {
      memberData.value = { status: "suspended" };
      const { getRSVPMessage } = useMemberStatus();
      expect(getRSVPMessage()).toContain("reactivate");
    });

    it("returns restriction message for cancelled", () => {
      memberData.value = { status: "cancelled" };
      const { getRSVPMessage } = useMemberStatus();
      expect(getRSVPMessage()).toContain("reactivate");
    });

    it("returns null for active", () => {
      memberData.value = { status: "active" };
      const { getRSVPMessage } = useMemberStatus();
      expect(getRSVPMessage()).toBeNull();
    });
  });
});