import { describe, expect, it } from "@suaveplan/testing/runner";
import { AuditEventType, AuditSeverity } from "../constants/index.js";
import {
    AuditActorSchema,
    AuditEventSchema,
    AuditEventTypeSchema,
    AuditQueryOptionsSchema,
    AuditRetentionPolicySchema,
    AuditSeveritySchema,
    AuditTargetSchema,
    ChainVerificationResultSchema,
    RetentionResultSchema,
} from "./audit-logging.schemas.js";

describe("AuditSeveritySchema", () => {
    it("accepts valid values", { timeout: 5000 }, () => {
        for (const v of Object.values(AuditSeverity)) {
            expect(AuditSeveritySchema.parse(v)).toBe(v);
        }
    });

    it("rejects invalid value", { timeout: 5000 }, () => {
        expect(() => AuditSeveritySchema.parse("trace")).toThrow();
    });
});

describe("AuditEventTypeSchema", () => {
    it("accepts all built-in event types", { timeout: 5000 }, () => {
        for (const v of Object.values(AuditEventType)) {
            expect(AuditEventTypeSchema.parse(v)).toBe(v);
        }
    });

    it("rejects unknown type", { timeout: 5000 }, () => {
        expect(() => AuditEventTypeSchema.parse("not_a_type")).toThrow();
    });
});

describe("AuditActorSchema", () => {
    it("accepts empty object", { timeout: 5000 }, () => {
        expect(AuditActorSchema.parse({})).toEqual({});
    });

    it("accepts all fields", { timeout: 5000 }, () => {
        const actor = {
            userId: "u1",
            sessionId: "s1",
            apiKeyId: "k1",
            ipAddress: "1.2.3.4",
            userAgent: "Mozilla",
            tenantId: "t1",
        };
        expect(AuditActorSchema.parse(actor)).toEqual(actor);
    });
});

describe("AuditTargetSchema", () => {
    it("accepts required fields", { timeout: 5000 }, () => {
        expect(AuditTargetSchema.parse({ type: "doc", id: "d1" })).toEqual({
            type: "doc",
            id: "d1",
        });
    });

    it("accepts metadata", { timeout: 5000 }, () => {
        const t = { type: "doc", id: "d1", metadata: { version: 2 } };
        expect(AuditTargetSchema.parse(t)).toEqual(t);
    });

    it("rejects missing required fields", { timeout: 5000 }, () => {
        expect(() => AuditTargetSchema.parse({ type: "doc" })).toThrow();
    });
});

describe("AuditEventSchema", () => {
    const base = {
        id: "evt-1",
        type: AuditEventType.AUTH_LOGIN,
        severity: AuditSeverity.INFO,
        actor: { userId: "u1" },
        timestamp: new Date("2024-01-01"),
        hash: "deadbeef",
    };

    it("accepts valid event", { timeout: 5000 }, () => {
        const result = AuditEventSchema.parse(base);
        expect(result.id).toBe("evt-1");
    });

    it("accepts custom event type string via union", { timeout: 5000 }, () => {
        const result = AuditEventSchema.parse({
            ...base,
            type: "custom_event",
        });
        expect(result.type).toBe("custom_event");
    });

    it("accepts all optional fields", { timeout: 5000 }, () => {
        const event = {
            ...base,
            target: { type: "doc", id: "d1" },
            details: { key: "val" },
            previousHash: "prev",
            tenantId: "t1",
            correlationId: "corr",
        };
        expect(AuditEventSchema.parse(event)).toEqual(event);
    });

    it("rejects missing required fields", { timeout: 5000 }, () => {
        expect(() =>
            AuditEventSchema.parse({ ...base, id: undefined })
        ).toThrow();
    });
});

describe("AuditQueryOptionsSchema", () => {
    it("accepts empty object", { timeout: 5000 }, () => {
        expect(AuditQueryOptionsSchema.parse({})).toEqual({});
    });

    it("accepts severity as single value", { timeout: 5000 }, () => {
        const r = AuditQueryOptionsSchema.parse({
            severity: AuditSeverity.ERROR,
        });
        expect(r.severity).toBe(AuditSeverity.ERROR);
    });

    it("accepts severity as array", { timeout: 5000 }, () => {
        const r = AuditQueryOptionsSchema.parse({
            severity: [AuditSeverity.ERROR, AuditSeverity.CRITICAL],
        });
        expect(Array.isArray(r.severity)).toBe(true);
    });
});

describe("AuditRetentionPolicySchema", () => {
    it("accepts valid policy", { timeout: 5000 }, () => {
        const p = {
            retentionDays: 90,
            archiveBeforeDelete: true,
            archiveLocation: "s3://bucket",
        };
        expect(AuditRetentionPolicySchema.parse(p)).toEqual(p);
    });

    it("rejects retentionDays = 0", { timeout: 5000 }, () => {
        expect(() =>
            AuditRetentionPolicySchema.parse({
                retentionDays: 0,
                archiveBeforeDelete: false,
            })
        ).toThrow();
    });
});

describe("ChainVerificationResultSchema", () => {
    it("accepts valid result", { timeout: 5000 }, () => {
        expect(ChainVerificationResultSchema.parse({ valid: true })).toEqual({
            valid: true,
        });
        expect(
            ChainVerificationResultSchema.parse({
                valid: false,
                brokenAt: 3,
                reason: "mismatch",
            })
        ).toBeDefined();
    });
});

describe("RetentionResultSchema", () => {
    it("accepts valid result", { timeout: 5000 }, () => {
        const r = {
            eventsDeleted: 5,
            eventsArchived: 3,
            errors: ["some error"],
        };
        expect(RetentionResultSchema.parse(r)).toEqual(r);
    });
});