/**
 * 第 10 章配套代码 · 笔记 API 封装（HttpModule 包装层）
 *
 * 文件位置：shared/src/commonMain/kotlin/com/example/xhs/api/NoteApi.kt
 *
 * 演示如何把 HttpModule 调用封装成业务友好的 API。
 * 真实工程会走 Ktor + 协程，这里用 Kuikly 内置 HttpModule 演示。
 */

package com.example.xhs.api

import com.example.xhs.pages.Comment
import com.example.xhs.pages.Note
import com.tencent.kuikly.core.module.HttpModule
import com.tencent.kuikly.core.nvi.serialization.json.JSONObject
import com.tencent.kuikly.core.pager.PagerManager
import kotlin.random.Random

object NoteApi {

    private const val BASE_URL = "https://api.example.com"

    private fun http(): HttpModule {
        return PagerManager.getCurrentPager()
            .acquireModule(HttpModule.MODULE_NAME)
    }

    /**
     * 拉取笔记列表（瀑布流）
     */
    fun fetchNotes(page: Int, callback: (List<Note>) -> Unit) {
        // 真实场景：
        // http().request(
        //     url = "$BASE_URL/notes",
        //     method = "GET",
        //     params = JSONObject().apply { put("page", page); put("size", 20) }
        // ) { result -> ... }

        // 演示：mock 数据（避免依赖真实后端）
        val mocked = mockNotes(page = page, count = 20)
        callback(mocked)
    }

    /**
     * 拉取单条笔记详情
     */
    fun fetchNote(id: String, callback: (Note?) -> Unit) {
        // mock
        val n = mockNotes(page = 1, count = 1).first().copy(id = id)
        callback(n)
    }

    /**
     * 拉取笔记的评论
     */
    fun fetchComments(noteId: String, callback: (List<Comment>) -> Unit) {
        val list = (1..5).map { i ->
            Comment(
                id = "c-$i",
                author = "用户$i",
                avatar = "https://example.com/avatar/$i.png",
                content = listOf(
                    "好棒！",
                    "学到了 👍",
                    "求出处",
                    "我也想去",
                    "已收藏",
                )[i - 1],
            )
        }
        callback(list)
    }

    /**
     * 点赞 / 取消点赞
     */
    fun toggleLike(noteId: String, liked: Boolean, callback: (Boolean) -> Unit) {
        // 真实场景调 POST /notes/{id}/like
        callback(true)
    }

    /**
     * 发布新笔记
     */
    fun publishNote(
        title: String,
        content: String,
        coverUrl: String,
        callback: (success: Boolean, noteId: String?) -> Unit,
    ) {
        // 真实场景调 POST /notes
        callback(true, "note-${System.currentTimeMillis()}")
    }

    // ─── Mock 数据生成 ───────────────────────
    private fun mockNotes(page: Int, count: Int): List<Note> {
        val titles = listOf(
            "周末爬山日记 ⛰️",
            "今日穿搭分享",
            "巨好吃的拉面店推荐",
            "iPad 学习方法 📱",
            "家居改造 / 不到 2k 的收纳",
            "健身记录 day 30",
            "云南旅行攻略",
            "宝藏咖啡馆探店",
            "新手化妆教程",
            "读书笔记《人月神话》",
        )
        val authors = listOf("Tom", "李四", "Pinky", "小明", "Anna", "Jack", "Lisa")

        return (1..count).map { i ->
            val realId = (page - 1) * count + i
            Note(
                id = "note-$realId",
                coverUrl = "https://example.com/cover/$realId.jpg",
                coverHeight = (160..280).random().toFloat(),
                title = titles.random() + " #$realId",
                authorAvatar = "https://example.com/avatar/${authors.random()}.png",
                authorName = authors.random(),
                likes = Random.nextInt(20, 9999),
                liked = false,
            )
        }
    }
}