import { describe, expect, it } from "@suaveplan/testing/runner";
import {
    FixedWindowOptionsSchema,
    MemoryStorageOptionsSchema,
    RateLimitConditionSchema,
    RateLimitConfigSchema,
    RateLimitContextSchema,
    RateLimiterOptionsSchema,
    RateLimitRuleSchema,
    SlidingWindowOptionsSchema,
    TokenBucketOptionsSchema,
} from "./rate-limiter.schemas.js";

describe("RateLimitConfigSchema", () => {
    it("validates valid config", { timeout: 5000 }, () => {
        expect(
            RateLimitConfigSchema.safeParse({ limit: 100, window: 60_000 })
                .success
        ).toBe(true);
    });

    it("rejects missing limit", { timeout: 5000 }, () => {
        expect(RateLimitConfigSchema.safeParse({ window: 1000 }).success).toBe(
            false
        );
    });

    it("rejects non-integer limit", { timeout: 5000 }, () => {
        expect(
            RateLimitConfigSchema.safeParse({ limit: 1.5, window: 1000 })
                .success
        ).toBe(false);
    });

    it("accepts optional id and description", { timeout: 5000 }, () => {
        const r = RateLimitConfigSchema.safeParse({
            limit: 10,
            window: 1000,
            id: "my-rule",
            description: "test",
        });
        expect(r.success).toBe(true);
    });
});

describe("RateLimitConditionSchema", () => {
    it("validates eq condition", { timeout: 5000 }, () => {
        expect(
            RateLimitConditionSchema.safeParse({
                field: "userId",
                operator: "eq",
                value: "admin",
            }).success
        ).toBe(true);
    });

    it("rejects unknown operator", { timeout: 5000 }, () => {
        expect(
            RateLimitConditionSchema.safeParse({
                field: "x",
                operator: "gt",
                value: 1,
            }).success
        ).toBe(false);
    });

    it("accepts all operators", { timeout: 5000 }, () => {
        for (const op of ["eq", "neq", "in", "nin", "matches"]) {
            expect(
                RateLimitConditionSchema.safeParse({
                    field: "f",
                    operator: op,
                    value: "v",
                }).success
            ).toBe(true);
        }
    });
});

describe("RateLimitRuleSchema", () => {
    it("validates rule with bypass", { timeout: 5000 }, () => {
        const r = RateLimitRuleSchema.safeParse({
            limit: 0,
            window: 1000,
            bypass: true,
            priority: 100,
        });
        expect(r.success).toBe(true);
    });

    it("validates rule with conditions", { timeout: 5000 }, () => {
        const r = RateLimitRuleSchema.safeParse({
            limit: 5,
            window: 1000,
            conditions: [{ field: "ip", operator: "eq", value: "1.2.3.4" }],
        });
        expect(r.success).toBe(true);
    });
});

describe("RateLimitContextSchema", () => {
    it("validates minimal context", { timeout: 5000 }, () => {
        expect(
            RateLimitContextSchema.safeParse({ key: "user:1" }).success
        ).toBe(true);
    });

    it("rejects empty key", { timeout: 5000 }, () => {
        expect(RateLimitContextSchema.safeParse({ key: "" }).success).toBe(
            false
        );
    });

    it("validates full context", { timeout: 5000 }, () => {
        expect(
            RateLimitContextSchema.safeParse({
                key: "k",
                tenantId: "acme",
                userId: "u1",
                ip: "1.1.1.1",
                path: "/api",
                method: "GET",
                metadata: { custom: 1 },
            }).success
        ).toBe(true);
    });
});

describe("RateLimiterOptionsSchema", () => {
    it("validates minimal options", { timeout: 5000 }, () => {
        expect(
            RateLimiterOptionsSchema.safeParse({
                defaultConfig: { limit: 10, window: 1000 },
            }).success
        ).toBe(true);
    });

    it("validates full options", { timeout: 5000 }, () => {
        expect(
            RateLimiterOptionsSchema.safeParse({
                defaultConfig: { limit: 100, window: 60_000 },
                rules: [],
                enableTenantLimits: true,
                tenantMultipliers: { enterprise: 5 },
                keyPrefix: "rl",
            }).success
        ).toBe(true);
    });
});

describe("TokenBucketOptionsSchema", () => {
    it("validates valid options", { timeout: 5000 }, () => {
        expect(
            TokenBucketOptionsSchema.safeParse({
                capacity: 100,
                refillRate: 0.1,
            }).success
        ).toBe(true);
    });

    it("accepts initialTokens", { timeout: 5000 }, () => {
        expect(
            TokenBucketOptionsSchema.safeParse({
                capacity: 100,
                refillRate: 0.1,
                initialTokens: 50,
            }).success
        ).toBe(true);
    });

    it("rejects negative capacity", { timeout: 5000 }, () => {
        expect(
            TokenBucketOptionsSchema.safeParse({
                capacity: -1,
                refillRate: 0.1,
            }).success
        ).toBe(false);
    });
});

describe("SlidingWindowOptionsSchema", () => {
    it("validates valid options", { timeout: 5000 }, () => {
        expect(
            SlidingWindowOptionsSchema.safeParse({
                limit: 100,
                windowMs: 60_000,
            }).success
        ).toBe(true);
    });
});

describe("FixedWindowOptionsSchema", () => {
    it("validates valid options", { timeout: 5000 }, () => {
        expect(
            FixedWindowOptionsSchema.safeParse({
                limit: 100,
                windowMs: 60_000,
            }).success
        ).toBe(true);
    });
});

describe("MemoryStorageOptionsSchema", () => {
    it("validates empty options", { timeout: 5000 }, () => {
        expect(MemoryStorageOptionsSchema.safeParse({}).success).toBe(true);
    });

    it("validates maxSize", { timeout: 5000 }, () => {
        expect(
            MemoryStorageOptionsSchema.safeParse({ maxSize: 5000 }).success
        ).toBe(true);
    });

    it("rejects non-positive maxSize", { timeout: 5000 }, () => {
        expect(
            MemoryStorageOptionsSchema.safeParse({ maxSize: 0 }).success
        ).toBe(false);
    });
});