import { describe, expect, test } from "bun:test";
import {
    domainInitial,
    formatDuration,
    formatToolValue,
    getDomainColor,
    getFaviconUrl,
    getToolDisplayInfo,
    parseToolValue,
    readSearchSources,
} from "../app/utils/tool-rendering";

describe("stored tool values", () => {
    test("handles missing, text, valid JSON and streaming JSON", () => {
        expect(parseToolValue(null)).toBeNull();
        expect(parseToolValue({ type: "text", value: "hello" })).toBe("hello");
        expect(parseToolValue({ type: "json", value: '{"query":"gold"}' })).toEqual({ query: "gold" });
        expect(formatToolValue({ type: "json", value: '{"query":' })).toBe('{"query":');
    });
});

describe("search sources", () => {
    test("distinguishes unavailable results from empty results", () => {
        expect(readSearchSources(null)).toBeNull();
        expect(readSearchSources("partial")).toBeNull();
        expect(readSearchSources([])).toEqual([]);
    });

    test("rejects unsafe links, tolerates malformed entries and deduplicates pages", () => {
        expect(readSearchSources([
            null,
            { link: "javascript:alert(1)" },
            { link: "data:text/html,hello" },
            { link: "/relative" },
            { link: "https://example.com/page#one", title: "Example", snippet: "Evidence" },
            { link: "https://example.com/page#two", title: "Duplicate" },
            { link: "https://other.example/", title: 1 },
        ])).toEqual([
            { url: "https://example.com/page", hostname: "example.com", title: "Example", snippet: "Evidence" },
            { url: "https://other.example/", hostname: "other.example", title: "other.example", snippet: "" },
        ]);
    });
});

describe("duration formatting", () => {
    test("formats duration in seconds with 1 decimal", () => {
        const start = new Date("2026-09-25T12:00:00.000Z");
        const end = new Date("2026-09-25T12:00:02.100Z");
        expect(formatDuration(start, end)).toBe("2.1s");
    });

    test("formats numeric timestamps", () => {
        const now = 1700000000000;
        expect(formatDuration(now, now + 1500)).toBe("1.5s");
        expect(formatDuration(new Date(now).toISOString(), now + 3200)).toBe("3.2s");
    });

    test("formats short duration", () => {
        const start = new Date("2026-09-25T12:00:00.000Z");
        const end = new Date("2026-09-25T12:00:00.400Z");
        expect(formatDuration(start, end)).toBe("0.4s");
    });

    test("returns null for invalid or negative or sub-threshold duration", () => {
        expect(formatDuration(null, null)).toBeNull();
        const start = new Date("2026-09-25T12:00:02.000Z");
        const end = new Date("2026-09-25T12:00:01.000Z");
        expect(formatDuration(start, end)).toBeNull();
    });
});

describe("tool display info", () => {
    test("handles search with results", () => {
        const info = getToolDisplayInfo({
            toolName: "search",
            status: "completed",
            input: { type: "json", value: '{"query":"drizzle pg enum best practices"}' },
            output: {
                type: "json",
                value: JSON.stringify([
                    { link: "https://orm.drizzle.team/docs/enum", title: "PostgreSQL enums | Drizzle ORM" },
                ]),
            },
        });
        expect(info.verb).toBe("Searched 1 site");
        expect(info.target).toBe('"drizzle pg enum best practices"');
        expect(info.icon).toBe("i-mynaui-search");
    });

    test("handles read file", () => {
        const info = getToolDisplayInfo({
            toolName: "read_file",
            status: "completed",
            input: { type: "json", value: '{"path":"drizzle/schema.ts"}' },
        });
        expect(info.verb).toBe("Read");
        expect(info.target).toBe("drizzle/schema.ts");
        expect(info.icon).toBe("i-mynaui-file");
    });

    test("handles file edit pending", () => {
        const info = getToolDisplayInfo({
            toolName: "edit_file",
            status: "pending",
            input: { type: "json", value: '{"path":"server/api/chat/generate.ts"}' },
        });
        expect(info.verb).toBe("Editing");
        expect(info.target).toBe("server/api/chat/generate.ts");
        expect(info.icon).toBe("i-mynaui-edit");
    });

    test("handles query failed", () => {
        const info = getToolDisplayInfo({
            toolName: "query",
            status: "failed",
            input: { type: "json", value: '{"query":"select * from tool_calls"}' },
            error: { type: "text", value: 'relation "tool_calls" does not exist' },
        });
        expect(info.verb).toBe("Query failed");
        expect(info.target).toBe("select * from tool_calls");
        expect(info.icon).toBe("i-mynaui-database");
    });

    test("handles fetch cancelled", () => {
        const info = getToolDisplayInfo({
            toolName: "fetchUrl",
            status: "cancelled",
            input: { type: "json", value: '{"url":"https://orm.drizzle.team/docs/..."}' },
        });
        expect(info.verb).toBe("Fetch cancelled");
        expect(info.target).toBe("https://orm.drizzle.team/docs/...");
        expect(info.icon).toBe("i-mynaui-link");
    });

    test("handles python execution", () => {
        const info = getToolDisplayInfo({
            toolName: "python",
            status: "completed",
            input: { type: "json", value: '{"code":"2 + 2"}' },
            output: { type: "json", value: '{"output":"4"}' },
        });
        expect(info.verb).toBe("Ran Python");
        expect(info.target).toBe("2 + 2");
        expect(info.icon).toBe("i-mynaui-terminal");
    });
});

describe("domain utilities", () => {
    test("extracts domain initial correctly", () => {
        expect(domainInitial("goldprice.org")).toBe("G");
        expect(domainInitial("www.kitco.com")).toBe("K");
        expect(domainInitial("apmex.com")).toBe("A");
    });

    test("returns consistent domain colors", () => {
        const color1 = getDomainColor("goldprice.org");
        const color2 = getDomainColor("goldprice.org");
        expect(color1).toBe(color2);
        expect(typeof color1).toBe("string");
        expect(color1.startsWith("#")).toBe(true);
    });

    test("formats DuckDuckGo favicon service url", () => {
        expect(getFaviconUrl("goldprice.org")).toBe("https://icons.duckduckgo.com/ip3/goldprice.org.ico");
        expect(getFaviconUrl("www.kitco.com")).toBe("https://icons.duckduckgo.com/ip3/kitco.com.ico");
    });
});