package com.rssuper.services

import org.junit.Assert.assertTrue
import org.junit.Test

class FeedFetcherIntegrationTest {

    @Test
    fun testFetchRealFeed() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val result = feedFetcher.fetch("https://example.com/feed.xml")
        
        assertTrue(result.isSuccess() || result.isFailure())
    }

    @Test
    fun testFetchAndParseRealFeed() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val result = feedFetcher.fetchAndParse("https://example.com/feed.xml")
        
        assertTrue(result.isSuccess() || result.isFailure())
    }

    @Test
    fun testFetchWithHTTPAuthCredentials() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val auth = HTTPAuthCredentials("testuser", "testpass")
        val credentials = auth.toCredentials()
        
        assertTrue(credentials.startsWith("Basic "))
    }

    @Test
    fun testFetchWithCacheControl() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val result = feedFetcher.fetch("https://example.com/feed.xml")
        
        assertTrue(result.isSuccess() || result.isFailure())
    }

    @Test
    fun testFetchPerformance() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val startTime = System.currentTimeMillis()
        val result = feedFetcher.fetch("https://example.com/feed.xml")
        val duration = System.currentTimeMillis() - startTime
        
        assertTrue(duration < 20000 || result.isFailure())
    }

    @Test
    fun testFetchWithIfNoneMatch() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val etag = "test-etag-value"
        val result = feedFetcher.fetch("https://example.com/feed.xml", ifNoneMatch = etag)
        
        assertTrue(result.isSuccess() || result.isFailure())
    }

    @Test
    fun testFetchWithIfModifiedSince() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val lastModified = "Mon, 01 Jan 2024 00:00:00 GMT"
        val result = feedFetcher.fetch("https://example.com/feed.xml", ifModifiedSince = lastModified)
        
        assertTrue(result.isSuccess() || result.isFailure())
    }

    @Test
    fun testFetchMultipleFeeds() {
        val feedFetcher = FeedFetcher(timeoutMs = 15000)
        
        val urls = listOf(
            "https://example.com/feed1.xml",
            "https://example.com/feed2.xml"
        )
        
        for (url in urls) {
            val result = feedFetcher.fetch(url)
            assertTrue(result.isSuccess() || result.isFailure())
        }
    }

    @Test
    fun testFetchWithDifferentTimeouts() {
        val shortTimeoutFetcher = FeedFetcher(timeoutMs = 1000)
        val longTimeoutFetcher = FeedFetcher(timeoutMs = 30000)
        
        val shortClientField = FeedFetcher::class.java.getDeclaredField("client")
        shortClientField.isAccessible = true
        val shortClient = shortClientField.get(shortTimeoutFetcher) as okhttp3.OkHttpClient
        
        val longClientField = FeedFetcher::class.java.getDeclaredField("client")
        longClientField.isAccessible = true
        val longClient = longClientField.get(longTimeoutFetcher) as okhttp3.OkHttpClient
        
        assertTrue(shortClient.connectTimeoutMillis < longClient.connectTimeoutMillis)
    }
}