package client_test

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"git.savin.nyc/alex/go-iar-notificator/client"
)

const keepAliveResponse = `{
    "data": {
        "getMutualPagerGroupsList": [
            {
                "_id": "672783715f6ed07deb857afb",
                "subscriberId": 536873008,
                "name": "NPFD - 672783715f6ed07deb857afb",
                "type": "ab tone",
                "tone_tolerance": 0.02,
                "gaplength": 0,
                "ignore_after": 60,
                "record_delay": 2,
                "record_seconds": 15,
                "release_time": 3,
                "playback_during_record": 0,
                "post_email_command": "",
                "alert_command": "",
                "atone": 1656.4,
                "btone": 656.1,
                "atonelength": 0.9,
                "btonelength": 3,
                "longtone": null,
                "longtonelength": null,
                "createDate": "2024-11-03T14:06:41.765Z"
            }
        ],
        "getTTDSetting": {
            "keySetting": "pollingSeconds",
            "keyValue": "900"
        }
    }
}`

const preAlertResponse = `{
    "data": {
        "addAlert": {
            "_id": "68bb90e0b91373858dd8f214",
            "textAlert": "NPFD Received at 21:39:44 09/05/2025",
            "pagerGroup": "NPFD",
            "subscriberId": 536873008
        }
    }
}`

const alertResponse = `{
    "data": {
        "addAlert": {
            "_id": "68bb90e0b91373858dd8f214",
            "textAlert": "NPFD Received at 21:40:05 09/05/2025",
            "pagerGroup": "NPFD",
            "audioUrl": "https://storage.iamresponding.com/v3/xzPAzU4ZEXlRtMLtj2NlquvalB26xQfS.mp3",
            "subscriberId": 536873008
        }
    }
}`

// patchClientHTTP replaces the HTTPClient's transport with a test server
func patchClientHTTP(c *client.Client, handler http.HandlerFunc) {
	ts := httptest.NewServer(handler)
	c.HTTPClient.SetBaseURL(ts.URL)
}

func TestClient_KeepAlive_Success(t *testing.T) {
	logger := mockLogger()
	creds := mockCredentials()
	c, err := client.New(creds, logger)
	if err != nil {
		t.Fatalf("New() error: %v", err)
	}

	patchClientHTTP(c, func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(http.StatusOK)
		w.Write([]byte(keepAliveResponse))
	})

	err = c.KeepAlive()
	if err != nil {
		t.Errorf("KeepAlive() error = %v, want nil", err)
	}
	if !c.IsAlive() {
		t.Error("expected client to be alive after successful KeepAlive")
	}
	// Check if IAR is set
	if c.IAR.PagerGroupID != "672783715f6ed07deb857afb" {
		t.Errorf("expected PagerGroupID to be set, got %s", c.IAR.PagerGroupID)
	}
}

func TestClient_KeepAlive_Failure(t *testing.T) {
	logger := mockLogger()
	creds := mockCredentials()
	c, err := client.New(creds, logger)
	if err != nil {
		t.Fatalf("New() error: %v", err)
	}

	patchClientHTTP(c, func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusInternalServerError)
		w.Write([]byte(`{"error": "fail"}`))
	})

	err = c.KeepAlive()
	if err == nil {
		t.Error("expected error from KeepAlive, got nil")
	}
	if c.IsAlive() {
		t.Error("expected client to not be alive after failed KeepAlive")
	}
}

func TestClient_PreAlert_Success(t *testing.T) {
	logger := mockLogger()
	creds := mockCredentials()
	c, err := client.New(creds, logger)
	if err != nil {
		t.Fatalf("New() error: %v", err)
	}
	// Set IAR
	c.IAR.PagerGroupID = "test_group"

	patchClientHTTP(c, func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(http.StatusOK)
		w.Write([]byte(preAlertResponse))
	})

	alertID, err := c.PreAlert()
	if err != nil {
		t.Errorf("PreAlert() error = %v, want nil", err)
	}
	expectedID := "68bb90e0b91373858dd8f214"
	if alertID != expectedID {
		t.Errorf("expected alertID %s, got %s", expectedID, alertID)
	}
}

func TestClient_Alert_Success(t *testing.T) {
	logger := mockLogger()
	creds := mockCredentials()
	c, err := client.New(creds, logger)
	if err != nil {
		t.Fatalf("New() error: %v", err)
	}
	// Set IAR
	c.IAR.PagerGroupID = "test_group"

	callCount := 0
	patchClientHTTP(c, func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(http.StatusOK)
		if callCount == 0 {
			// First call is preAlert
			w.Write([]byte(preAlertResponse))
		} else {
			// Second call is Alert
			w.Write([]byte(alertResponse))
		}
		callCount++
	})

	err = c.Alert("base64_audio")
	if err != nil {
		t.Errorf("Alert() error = %v, want nil", err)
	}
	if callCount != 2 {
		t.Errorf("expected 2 HTTP calls, got %d", callCount)
	}
}