package api

import (
	"bytes"
	"encoding/json"
	"fmt"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/alicebob/miniredis/v2"
	"github.com/ez-api/ez-api/internal/middleware"
	"github.com/ez-api/ez-api/internal/model"
	"github.com/ez-api/ez-api/internal/service"
	"github.com/gin-gonic/gin"
	"github.com/redis/go-redis/v9"
	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

func newTestHandlerWithWebhook(t *testing.T) (*Handler, *miniredis.Miniredis) {
	t.Helper()
	gin.SetMode(gin.TestMode)

	dsn := fmt.Sprintf("file:%s?mode=memory&cache=shared", t.Name())
	db, err := gorm.Open(sqlite.Open(dsn), &gorm.Config{})
	if err != nil {
		t.Fatalf("open sqlite: %v", err)
	}
	if err := db.AutoMigrate(&model.LogRecord{}); err != nil {
		t.Fatalf("migrate: %v", err)
	}

	mr := miniredis.RunT(t)
	rdb := redis.NewClient(&redis.Options{Addr: mr.Addr()})
	sync := service.NewSyncService(rdb)
	return NewHandler(db, db, sync, nil, rdb, nil), mr
}

func TestLogWebhookConfigCRUD(t *testing.T) {
	h, _ := newTestHandlerWithWebhook(t)

	r := gin.New()
	r.Use(middleware.ResponseEnvelope())
	r.GET("/admin/logs/webhook", h.GetLogWebhookConfig)
	r.PUT("/admin/logs/webhook", h.UpdateLogWebhookConfig)

	reqBody := service.LogWebhookConfig{
		Enabled:             true,
		URL:                 "https://example.com/webhook",
		Secret:              "s1",
		Threshold:           3,
		WindowSeconds:       60,
		CooldownSeconds:     120,
		StatusCodeThreshold: 500,
	}
	payload, _ := json.Marshal(reqBody)

	req := httptest.NewRequest(http.MethodPut, "/admin/logs/webhook", bytes.NewReader(payload))
	req.Header.Set("Content-Type", "application/json")
	rr := httptest.NewRecorder()
	r.ServeHTTP(rr, req)
	if rr.Code != http.StatusOK {
		t.Fatalf("expected 200, got %d body=%s", rr.Code, rr.Body.String())
	}

	getReq := httptest.NewRequest(http.MethodGet, "/admin/logs/webhook", nil)
	getRR := httptest.NewRecorder()
	r.ServeHTTP(getRR, getReq)
	if getRR.Code != http.StatusOK {
		t.Fatalf("expected 200, got %d body=%s", getRR.Code, getRR.Body.String())
	}

	var got service.LogWebhookConfig
	env := decodeEnvelope(t, getRR, &got)
	if env.Code != "ok" {
		t.Fatalf("expected code=ok, got %q", env.Code)
	}
	if !got.Enabled || got.URL == "" || got.Threshold != 3 {
		t.Fatalf("unexpected webhook config: %+v", got)
	}
	if got.Secret != "s1" {
		t.Fatalf("expected secret s1, got %q", got.Secret)
	}
}

func TestLogWebhookConfigDisableClears(t *testing.T) {
	h, mr := newTestHandlerWithWebhook(t)

	r := gin.New()
	r.Use(middleware.ResponseEnvelope())
	r.PUT("/admin/logs/webhook", h.UpdateLogWebhookConfig)

	seed := service.LogWebhookConfig{Enabled: true, URL: "https://example.com"}
	payload, _ := json.Marshal(seed)
	req := httptest.NewRequest(http.MethodPut, "/admin/logs/webhook", bytes.NewReader(payload))
	req.Header.Set("Content-Type", "application/json")
	rr := httptest.NewRecorder()
	r.ServeHTTP(rr, req)
	if rr.Code != http.StatusOK {
		t.Fatalf("expected 200, got %d body=%s", rr.Code, rr.Body.String())
	}

	clear := service.LogWebhookConfig{Enabled: false}
	clearPayload, _ := json.Marshal(clear)
	clearReq := httptest.NewRequest(http.MethodPut, "/admin/logs/webhook", bytes.NewReader(clearPayload))
	clearReq.Header.Set("Content-Type", "application/json")
	clearRR := httptest.NewRecorder()
	r.ServeHTTP(clearRR, clearReq)
	if clearRR.Code != http.StatusOK {
		t.Fatalf("expected 200, got %d body=%s", clearRR.Code, clearRR.Body.String())
	}
	if mr.Exists("meta:log:webhook") {
		t.Fatalf("expected webhook config to be cleared")
	}
}