package jwtx

import (
	"fmt"
	"qnc-server/app/main/model"
	"testing"
	"time"

	"github.com/golang-jwt/jwt/v4"
	"github.com/stretchr/testify/assert"
)

func TestParseJwtToken(t *testing.T) {
	secret := "WUvoIwL-FK0qnlxhvxR9tV6SjfOpeJMpKmY2QvT99lA"
	tokenStr, err := GenerateJwtToken(JwtClaims{
		UserId:   123,
		AgentId:  0,
		Platform: "wxh5",
		UserType: 0,
		IsAgent:  0,
	}, secret, 3600)
	assert.NoError(t, err)
	tests := []struct {
		name         string
		tokenStr     string
		secret       string
		expectError  bool
		expectClaims *JwtClaims
	}{
		{
			name:        "无效的token字符串",
			tokenStr:    "invalid-token",
			secret:      secret,
			expectError: true,
		},
		{
			name:        "空token字符串",
			tokenStr:    "",
			secret:      secret,
			expectError: true,
		},
		{
			name:        "错误的密钥",
			tokenStr:    "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHRyYSI6eyJ1c2VySWQiOjEyMywiYWdlbnRJZCI6NDU2LCJwbGF0Zm9ybSI6InRlc3QiLCJ1c2VyVHlwZSI6MSwiaXNBZ2VudCI6MH0sImV4cCI6MTczNTY4MDAwMCwiaWF0IjoxNzM1Njc5OTAwfQ.invalid-signature",
			secret:      "wrong-secret",
			expectError: true,
		},
		{
			name:        "缺少extra字段",
			tokenStr:    createTokenWithoutExtra(secret),
			secret:      secret,
			expectError: true,
		},
		{
			name:        "正常解析token",
			tokenStr:    tokenStr,
			secret:      secret,
			expectError: false,
			expectClaims: &JwtClaims{
				UserId:   123,
				AgentId:  456,
				Platform: "test",
				UserType: 1,
				IsAgent:  0,
			},
		},
		{
			name:        "解析临时用户token",
			tokenStr:    createTempUserToken(secret),
			secret:      secret,
			expectError: false,
			expectClaims: &JwtClaims{
				UserId:   789,
				AgentId:  0,
				Platform: "mobile",
				UserType: 0,
				IsAgent:  0,
			},
		},
		{
			name:        "解析代理用户token",
			tokenStr:    createAgentUserToken(secret),
			secret:      secret,
			expectError: false,
			expectClaims: &JwtClaims{
				UserId:   999,
				AgentId:  888,
				Platform: "web",
				UserType: 1,
				IsAgent:  1,
			},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			claims, err := ParseJwtToken(tt.tokenStr, tt.secret)
			fmt.Printf("name: %s\n", tt.name)
			fmt.Printf("claims: %+v\n", claims)
			if tt.name == "正常解析token" {
				fmt.Printf("claims.UserType bool: %v\n", claims.UserType == model.UserTypeTemp)
			}
			if tt.expectError {
				assert.Error(t, err)
				assert.Nil(t, claims)
			} else {
				assert.NoError(t, err)
				assert.NotNil(t, claims)
				assert.Equal(t, tt.expectClaims.UserId, claims.UserId)
				assert.Equal(t, tt.expectClaims.AgentId, claims.AgentId)
				assert.Equal(t, tt.expectClaims.Platform, claims.Platform)
				assert.Equal(t, tt.expectClaims.UserType, claims.UserType)
				assert.Equal(t, tt.expectClaims.IsAgent, claims.IsAgent)
			}
		})
	}
}

func TestParseJwtToken_Integration(t *testing.T) {
	secret := "integration-test-secret"

	// 测试生成和解析的集成
	originalClaims := JwtClaims{
		UserId:   12345,
		AgentId:  67890,
		Platform: "integration-test",
		UserType: 1,
		IsAgent:  1,
	}

	// 生成token
	tokenStr, err := GenerateJwtToken(originalClaims, secret, 3600)
	assert.NoError(t, err)
	assert.NotEmpty(t, tokenStr)

	// 解析token
	parsedClaims, err := ParseJwtToken(tokenStr, secret)
	assert.NoError(t, err)
	assert.NotNil(t, parsedClaims)

	// 验证解析结果
	assert.Equal(t, originalClaims.UserId, parsedClaims.UserId)
	assert.Equal(t, originalClaims.AgentId, parsedClaims.AgentId)
	assert.Equal(t, originalClaims.Platform, parsedClaims.Platform)
	assert.Equal(t, originalClaims.UserType, parsedClaims.UserType)
	assert.Equal(t, originalClaims.IsAgent, parsedClaims.IsAgent)
}

func TestParseJwtToken_EdgeCases(t *testing.T) {
	secret := "edge-case-secret"

	t.Run("过期的token", func(t *testing.T) {
		// 创建一个已过期的token
		expiredToken := createExpiredToken(secret)
		claims, err := ParseJwtToken(expiredToken, secret)
		assert.Error(t, err)
		assert.Nil(t, claims)
	})

	t.Run("extra字段为nil", func(t *testing.T) {
		// 创建一个extra字段为nil的token
		nilExtraToken := createTokenWithNilExtra(secret)
		claims, err := ParseJwtToken(nilExtraToken, secret)
		assert.Error(t, err)
		assert.Nil(t, claims)
	})

	t.Run("extra字段类型错误", func(t *testing.T) {
		// 创建一个extra字段类型错误的token
		wrongTypeToken := createTokenWithWrongExtraType(secret)
		claims, err := ParseJwtToken(wrongTypeToken, secret)
		assert.Error(t, err)
		assert.Nil(t, claims)
	})
}

// 辅助函数：创建有效的token
func createValidToken(secret string) string {
	now := time.Now().Unix()
	claims := jwt.MapClaims{
		"exp":    now + 3600,
		"iat":    now,
		"userId": 123,
		ExtraKey: map[string]interface{}{
			"userId":   123,
			"agentId":  456,
			"platform": "test",
			"userType": 1,
			"isAgent":  0,
		},
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	tokenStr, _ := token.SignedString([]byte(secret))
	return tokenStr
}

// 辅助函数：创建临时用户token
func createTempUserToken(secret string) string {
	now := time.Now().Unix()
	claims := jwt.MapClaims{
		"exp":    now + 3600,
		"iat":    now,
		"userId": 789,
		ExtraKey: map[string]interface{}{
			"userId":   789,
			"agentId":  0,
			"platform": "mobile",
			"userType": 0,
			"isAgent":  0,
		},
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	tokenStr, _ := token.SignedString([]byte(secret))
	return tokenStr
}

// 辅助函数：创建代理用户token
func createAgentUserToken(secret string) string {
	now := time.Now().Unix()
	claims := jwt.MapClaims{
		"exp":    now + 3600,
		"iat":    now,
		"userId": 999,
		ExtraKey: map[string]interface{}{
			"userId":   999,
			"agentId":  888,
			"platform": "web",
			"userType": 1,
			"isAgent":  1,
		},
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	tokenStr, _ := token.SignedString([]byte(secret))
	return tokenStr
}

// 辅助函数：创建缺少extra字段的token
func createTokenWithoutExtra(secret string) string {
	now := time.Now().Unix()
	claims := jwt.MapClaims{
		"exp":    now + 3600,
		"iat":    now,
		"userId": 123,
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	tokenStr, _ := token.SignedString([]byte(secret))
	return tokenStr
}

// 辅助函数：创建已过期的token
func createExpiredToken(secret string) string {
	now := time.Now().Unix()
	claims := jwt.MapClaims{
		"exp":    now - 3600, // 已过期
		"iat":    now - 7200,
		"userId": 123,
		ExtraKey: map[string]interface{}{
			"userId":   123,
			"agentId":  456,
			"platform": "test",
			"userType": 1,
			"isAgent":  0,
		},
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	tokenStr, _ := token.SignedString([]byte(secret))
	return tokenStr
}

// 辅助函数：创建extra字段为nil的token
func createTokenWithNilExtra(secret string) string {
	now := time.Now().Unix()
	claims := jwt.MapClaims{
		"exp":    now + 3600,
		"iat":    now,
		"userId": 123,
		ExtraKey: nil,
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	tokenStr, _ := token.SignedString([]byte(secret))
	return tokenStr
}

// 辅助函数：创建extra字段类型错误的token
func createTokenWithWrongExtraType(secret string) string {
	now := time.Now().Unix()
	claims := jwt.MapClaims{
		"exp":    now + 3600,
		"iat":    now,
		"userId": 123,
		ExtraKey: "wrong-type", // 应该是map[string]interface{}
	}
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	tokenStr, _ := token.SignedString([]byte(secret))
	return tokenStr
}