package org.terst.doot.widget

import io.mockk.*
import kotlinx.coroutines.test.runTest
import okhttp3.Call
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.ResponseBody.Companion.toResponseBody
import org.junit.Assert.*
import org.junit.Test
import org.terst.doot.widget.data.WidgetRepository

class WidgetRepositoryTest {

    private val mockClient = mockk<OkHttpClient>()
    private val mockCall = mockk<Call>()

    private fun responseOf(code: Int, body: String): Response {
        return Response.Builder()
            .request(Request.Builder().url("https://example.com").build())
            .protocol(Protocol.HTTP_1_1)
            .code(code)
            .message("")
            .body(body.toResponseBody("application/json".toMediaType()))
            .build()
    }

    @Test
    fun `fetch returns failure on non-200`() = runTest {
        every { mockClient.newCall(any()) } returns mockCall
        every { mockCall.execute() } returns responseOf(401, "unauthorized")

        val repo = WidgetRepository(mockClient, "https://doot.example.com", "token")
        val result = repo.fetchRaw()
        assertTrue(result.isFailure)
    }

    @Test
    fun `fetch returns success with valid JSON`() = runTest {
        val json = """{"now":"2026-06-28T10:15:00Z","items":[]}"""
        every { mockClient.newCall(any()) } returns mockCall
        every { mockCall.execute() } returns responseOf(200, json)

        val repo = WidgetRepository(mockClient, "https://doot.example.com", "token")
        val result = repo.fetchRaw()
        assertTrue(result.isSuccess)
        assertEquals(0, result.getOrThrow().items.size)
    }

    @Test
    fun `fetch sets Authorization header`() = runTest {
        val json = """{"now":"2026-06-28T10:15:00Z","items":[]}"""
        val capturedRequest = slot<Request>()
        every { mockClient.newCall(capture(capturedRequest)) } returns mockCall
        every { mockCall.execute() } returns responseOf(200, json)

        val repo = WidgetRepository(mockClient, "https://doot.example.com", "mysecret")
        repo.fetchRaw()

        assertEquals("Bearer mysecret", capturedRequest.captured.header("Authorization"))
    }
}