import test from "node:test"
import assert from "node:assert/strict"
import {buildSearchParams, fetchGalleries, readResponse} from "lionwebsite-frontend-shared"

test("keyword request never hand-builds the query string", () => {
    assert.deepEqual(buildSearchParams({keyword: "cat girl"}), {keyword: "cat girl"})
})

test("next page forwards the upstream cursor instead of the keyword", () => {
    const params = buildSearchParams({
        keyword: "cat girl", direction: "next",
        href: "https://exhentai.org/?f_search=cat+girl&next=777",
    })
    assert.equal(params.next, "777")
    assert.equal(params.keyword, "cat girl")
})

test("fetchGalleries decodes object and JSON-string payloads identically", async () => {
    const asObject = {get: async () => ({data: {result: "success", data: [{gid: 1}], next: "n1"}})}
    const asString = {get: async () => ({data: {result: "success", data: '[{"gid":1}]', next: "n1"}})}
    const one = await fetchGalleries(asObject, {keyword: "k"})
    const two = await fetchGalleries(asString, {keyword: "k"})
    assert.deepEqual(one.galleries, two.galleries)
    assert.equal(one.pagination.next, "n1")
})

test("fetchGalleries surfaces the backend message on failure", async () => {
    const http = {get: async () => ({data: {result: "failure", data: "没有搜索到结果"}})}
    await assert.rejects(() => fetchGalleries(http, {keyword: "k"}),
        error => error.payload === "没有搜索到结果")
})

test("readResponse keeps all four pagination cursors", () => {
    const parsed = readResponse({data: {result: "success", data: "[]",
        first: "f", previous: "p", next: "n", last: "l"}})
    assert.deepEqual(parsed.pagination, {first: "f", previous: "p", next: "n", last: "l"})
})