package api

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

	"github.com/ez-api/ez-api/internal/model"
	"github.com/gin-gonic/gin"
	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

func TestMaster_ListSelfLogs_FiltersByMaster(t *testing.T) {
	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.Master{}, &model.Key{}, &model.LogRecord{}); err != nil {
		t.Fatalf("migrate: %v", err)
	}

	m1 := &model.Master{Name: "m1", Group: "g", Status: "active", Epoch: 1, MasterKeyDigest: "d1"}
	m2 := &model.Master{Name: "m2", Group: "g", Status: "active", Epoch: 1, MasterKeyDigest: "d2"}
	if err := db.Create(m1).Error; err != nil {
		t.Fatalf("create m1: %v", err)
	}
	if err := db.Create(m2).Error; err != nil {
		t.Fatalf("create m2: %v", err)
	}
	k1 := &model.Key{MasterID: m1.ID, TokenHash: "h1", Group: "g", Status: "active", IssuedAtEpoch: 1}
	k2 := &model.Key{MasterID: m2.ID, TokenHash: "h2", Group: "g", Status: "active", IssuedAtEpoch: 1}
	if err := db.Create(k1).Error; err != nil {
		t.Fatalf("create k1: %v", err)
	}
	if err := db.Create(k2).Error; err != nil {
		t.Fatalf("create k2: %v", err)
	}

	if err := db.Create(&model.LogRecord{Group: "rg", KeyID: k1.ID, ModelName: "ns.m", StatusCode: 200, LatencyMs: 10}).Error; err != nil {
		t.Fatalf("create log1: %v", err)
	}
	if err := db.Create(&model.LogRecord{Group: "rg", KeyID: k2.ID, ModelName: "ns.m", StatusCode: 400, LatencyMs: 20}).Error; err != nil {
		t.Fatalf("create log2: %v", err)
	}

	mh := &MasterHandler{db: db}

	withMaster := func(next gin.HandlerFunc) gin.HandlerFunc {
		return func(c *gin.Context) {
			c.Set("master", m1)
			next(c)
		}
	}

	r := gin.New()
	r.GET("/v1/logs", withMaster(mh.ListSelfLogs))

	rr := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, "/v1/logs", nil)
	r.ServeHTTP(rr, req)
	if rr.Code != http.StatusOK {
		t.Fatalf("expected 200, got %d body=%s", rr.Code, rr.Body.String())
	}
	var resp ListLogsResponse
	if err := json.Unmarshal(rr.Body.Bytes(), &resp); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if resp.Total != 1 || len(resp.Items) != 1 {
		t.Fatalf("expected 1 item, got total=%d len=%d body=%s", resp.Total, len(resp.Items), rr.Body.String())
	}
	if resp.Items[0].KeyID != k1.ID {
		t.Fatalf("expected key_id %d, got %+v", k1.ID, resp.Items[0])
	}
}