feat: 添加 TvcatHandler，支持 /_fetch_p/ API 获取播放链接

app/src/main/java/com/videoapp/tv/engine/tvcat/TvcatHandler.kt

@@ -0,0 +1,75 @@
+package com.videoapp.tv.engine.tvcat
+
+import com.videoapp.tv.data.SiteConfig
+import com.videoapp.tv.engine.BaseSourceHandler
+import com.videoapp.tv.engine.Episode
+import com.videoapp.tv.engine.PlaySource
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.json.JSONObject
+import org.jsoup.Jsoup
+import java.net.URL
+
+class TvcatHandler : BaseSourceHandler(
+    id = "tvcat",
+    displayName = "tvcat (电视猫)",
+    baseUrl = "https://tvcat.cc",
+    config = SiteConfig(
+        baseUrl = "https://tvcat.cc",
+        searchPath = "/search",
+        searchMethod = "GET",
+        keywordParam = "q",
+        resultSelector = "li.col-md-2.col-sm-3.col-4",
+        titleSelector = "a[title]",
+        coverSelector = "img",
+        linkSelector = "a",
+        categorySelector = ".text-muted",
+        dateSelector = "",
+        episodeSelector = "li.list-inline-item a",
+        sourceSelector = "",
+        sourceEpisodeGroupSelector = "",
+        iframeSelector = "iframe",
+        videoSelector = "video source, video[src]"
+    )
+) {
+    override suspend fun extractVideos(detailUrl: String): List<PlaySource> =
+        withContext(Dispatchers.IO) {
+            val doc = Jsoup.connect(detailUrl).timeout(15000).get()
+            val episodes = doc.select("li.list-inline-item a").mapNotNull { ep ->
+                val title = ep.text().trim()
+                val href = ep.attr("href").trim()
+                if (title.isNotEmpty() && href.isNotEmpty()) {
+                    Episode(title, buildFullUrl(href))
+                } else null
+            }
+            if (episodes.isNotEmpty()) {
+                listOf(PlaySource("默认来源", episodes))
+            } else emptyList()
+        }
+
+    override suspend fun resolvePlayUrl(playUrl: String): Pair<String?, String?> =
+        withContext(Dispatchers.IO) {
+            try {
+                val match = Regex("""(\d+)/ep(\d+)""").find(playUrl)
+                if (match != null) {
+                    val videoId = match.groupValues[1]
+                    val epNum = match.groupValues[2]
+                    val apiUrl = "https://tvcat.cc/_fetch_p/$videoId/ep$epNum"
+                    val conn = URL(apiUrl).openConnection()
+                    conn.setRequestProperty("User-Agent", "Mozilla/5.0")
+                    conn.setRequestProperty("Referer", playUrl)
+                    conn.connectTimeout = 15000
+                    conn.readTimeout = 15000
+                    val json = conn.getInputStream().bufferedReader().use { it.readText() }
+                    val obj = JSONObject(json)
+                    val playcfgs = obj.getJSONArray("playcfgs")
+                    if (playcfgs.length() > 0) {
+                        val url = playcfgs.getJSONObject(0).getString("url")
+                        Pair(url, null)
+                    } else Pair(null, null)
+                } else Pair(null, null)
+            } catch (_: Exception) {
+                Pair(null, null)
+            }
+        }
+}