package repository

import (
	"testing"
)

// TestUserRepository_QueryConditions 测试用户查询条件逻辑
func TestUserRepository_QueryConditions(t *testing.T) {
	tests := []struct {
		name     string
		id       int64
		status   int16
		wantValid bool
	}{
		{
			name:      "有效的用户ID和状态",
			id:        1,
			status:    1,
			wantValid: true,
		},
		{
			name:      "用户ID为0时无效",
			id:        0,
			status:    1,
			wantValid: false,
		},
		{
			name:      "状态为-1（已删除）应该被排除",
			id:        1,
			status:    -1,
			wantValid: false,
		},
		{
			name:      "状态为0（禁用）可能有效",
			id:        1,
			status:    0,
			wantValid: true, // 查询条件中只排除-1
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// 测试查询条件逻辑：status != -1
			isValid := tt.id > 0 && tt.status != -1
			if isValid != tt.wantValid {
				t.Errorf("Query condition validation failed: got %v, want %v", isValid, tt.wantValid)
			}
		})
	}
}

// TestUserRepository_DeleteLogic 测试软删除逻辑
func TestUserRepository_DeleteLogic(t *testing.T) {
	tests := []struct {
		name      string
		oldStatus int16
		newStatus int16
	}{
		{
			name:      "软删除应该将状态设置为-1",
			oldStatus: 1,
			newStatus: -1,
		},
		{
			name:      "从禁用状态删除",
			oldStatus: 0,
			newStatus: -1,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// 验证软删除逻辑：状态应该变为-1
			if tt.newStatus != -1 {
				t.Errorf("Delete should set status to -1, got %d", tt.newStatus)
			}
		})
	}
}

// TestUserRepository_UpdateFieldsLogic 测试更新字段逻辑
func TestUserRepository_UpdateFieldsLogic(t *testing.T) {
	tests := []struct {
		name   string
		fields map[string]interface{}
		wantValid bool
	}{
		{
			name: "有效的更新字段",
			fields: map[string]interface{}{
				"email": "new@example.com",
				"avatar": "https://example.com/avatar.png",
			},
			wantValid: true,
		},
		{
			name:      "空字段映射",
			fields:    map[string]interface{}{},
			wantValid: true, // 空映射也是有效的，只是不会更新任何字段
		},
		{
			name: "包含nil值的字段",
			fields: map[string]interface{}{
				"email": "new@example.com",
				"avatar": nil,
			},
			wantValid: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// 验证字段映射逻辑
			isValid := tt.fields != nil
			if isValid != tt.wantValid {
				t.Errorf("Update fields validation failed: got %v, want %v", isValid, tt.wantValid)
			}
		})
	}
}

// TestUserRepository_ErrorHandling 测试错误处理逻辑
func TestUserRepository_ErrorHandling(t *testing.T) {
	tests := []struct {
		name        string
		err         error
		isNotFound  bool
		wantNilUser bool
	}{
		{
			name:        "记录未找到应该返回nil用户",
			err:         nil, // 模拟gorm.ErrRecordNotFound
			isNotFound:  true,
			wantNilUser: true,
		},
		{
			name:        "其他错误应该返回错误",
			err:         nil,
			isNotFound:  false,
			wantNilUser: false,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// 测试错误处理逻辑：如果是RecordNotFound，返回nil用户；否则返回错误
			if tt.isNotFound {
				if !tt.wantNilUser {
					t.Error("RecordNotFound should return nil user")
				}
			}
		})
	}
}