package main

import (
	"strings"

	"ezops/internal/models"

	"go.uber.org/zap"
	"golang.org/x/crypto/bcrypt"
	"gorm.io/gorm"
)

// seedData 初始化种子数据（admin用户 + LDAP配置 + 审批模板 + 权限角色）
func seedData(db *gorm.DB) {
	// 1. 创建默认 admin 用户（仅首次）
	var userCount int64
	db.Model(&models.User{}).Count(&userCount)
	if userCount == 0 {
		hashedPassword, _ := bcrypt.GenerateFromPassword([]byte("123456"), bcrypt.DefaultCost)
		admin := models.User{
			Username:   "admin",
			Password:   string(hashedPassword),
			Email:      "admin@ezops.local",
			RealName:   "管理员",
			Status:     1,
			IsAdmin:    true,
			AuthSource: "local",
		}
		if err := db.Create(&admin).Error; err != nil {
			zap.L().Warn("failed to seed admin user", zap.Error(err))
		} else {
			zap.L().Info("seeded default admin user (admin/123456)")
		}
	}

	// 2. 创建默认 LDAP 配置
	var ldapCount int64
	db.Model(&models.LDAPConfig{}).Count(&ldapCount)
	if ldapCount == 0 {
		port := 389
		useLDAPS := false
		searchFilter := "(objectClass=inetOrgPerson)"
		userMapping := `{"username":"uid","email":"mail","display_name":"cn"}`
		ldapCfg := models.LDAPConfig{
			LDAPHost:      "8.217.205.92",
			LDAPPort:      &port,
			UseLDAPS:      &useLDAPS,
			AdminDN:       "cn=admin,dc=opsx,dc=vip",
			AdminPassword: "LQl2GX7EEg2N",
			BaseDN:        "dc=opsx,dc=vip",
			SearchFilter:  &searchFilter,
			UserMapping:   &userMapping,
		}
		if err := db.Create(&ldapCfg).Error; err != nil {
			zap.L().Warn("failed to seed LDAP config", zap.Error(err))
		} else {
			zap.L().Info("seeded default LDAP config (8.217.205.92:389)")
		}
	}

	// 3. 创建默认审批模板（资源申请）
	var tplCount int64
	db.Model(&models.ApprovalTemplate{}).Count(&tplCount)
	if tplCount == 0 {
		templates := []models.ApprovalTemplate{
			{
				Name:        "云服务器申请",
				Code:        "server_apply",
				Description: "申请云服务器资源（ECS/EC2），包含规格、数量、用途等信息",
				Type:        "server_apply",
				FormSchema: `{
  "fields": [
    {"key": "provider", "label": "云厂商", "type": "select", "options": ["阿里云","腾讯云","华为云","AWS"], "required": true},
    {"key": "region", "label": "地域", "type": "text", "placeholder": "如 cn-hangzhou", "required": true},
    {"key": "spec", "label": "规格", "type": "select", "options": ["2C4G","4C8G","8C16G","16C32G","32C64G"], "required": true},
    {"key": "disk", "label": "系统盘(GB)", "type": "number", "default": 40, "required": true},
    {"key": "count", "label": "数量(台)", "type": "number", "default": 1, "required": true},
    {"key": "duration", "label": "时长", "type": "select", "options": ["1个月","3个月","6个月","1年"], "required": true},
    {"key": "purpose", "label": "用途说明", "type": "textarea", "required": true}
  ]
}`,
				FlowConfig: `[{"name":"直接主管","approver_role":"team_lead"},{"name":"运维负责人","approver_role":"ops_manager"}]`,
				Enabled:    true,
			},
			{
				Name:        "应用部署申请",
				Code:        "app_deploy",
				Description: "申请新应用部署，包含 Git 地址、端口、Nacos 等配置信息",
				Type:        "app_deploy",
				FormSchema: `{
  "fields": [
    {"key": "app_name", "label": "应用名称", "type": "text", "placeholder": "如 user-service", "required": true},
    {"key": "git_url", "label": "Git 地址", "type": "text", "placeholder": "如 https://github.com/org/repo.git", "required": true},
    {"key": "branch", "label": "分支", "type": "text", "default": "main", "required": true},
    {"key": "language", "label": "开发语言", "type": "select", "options": ["Java","Go","Python","Node.js","C++"], "required": true},
    {"key": "http_port", "label": "HTTP 端口", "type": "number", "placeholder": "如 8080", "required": false},
    {"key": "grpc_port", "label": "gRPC 端口", "type": "number", "placeholder": "如 9090", "required": false},
    {"key": "nacos_addr", "label": "Nacos 地址", "type": "text", "placeholder": "如 nacos.opsx.vip:8848", "required": true},
    {"key": "nacos_namespace", "label": "Nacos 命名空间", "type": "text", "placeholder": "如 production", "required": false},
    {"key": "env", "label": "部署环境", "type": "select", "options": ["dev","staging","prod"], "required": true},
    {"key": "replicas", "label": "副本数", "type": "number", "default": 2, "required": true},
    {"key": "remark", "label": "备注", "type": "textarea", "required": false}
  ]
}`,
				FlowConfig: `[{"name":"技术负责人","approver_role":"tech_lead"},{"name":"运维负责人","approver_role":"ops_manager"}]`,
				Enabled:    true,
			},
		}
		if err := db.Create(&templates).Error; err != nil {
			zap.L().Warn("failed to seed approval templates", zap.Error(err))
		} else {
			zap.L().Info("seeded default approval templates (server_apply + app_deploy)")
		}
	}

	// 4. 创建默认权限和角色权限映射
	var permCount int64
	db.Model(&models.Permission{}).Count(&permCount)
	if permCount == 0 {
		perms := []models.Permission{
			// 资产管理
			{Name: "服务器管理", Code: "server:view", Type: "menu", Sort: 1, Status: 1},
			{Name: "服务器创建", Code: "server:create", Type: "button", Sort: 2, Status: 1},
			{Name: "服务器编辑", Code: "server:update", Type: "button", Sort: 3, Status: 1},
			{Name: "服务器删除", Code: "server:delete", Type: "button", Sort: 4, Status: 1},
			{Name: "WebShell终端", Code: "server:webshell", Type: "button", Sort: 5, Status: 1},
			// 云资源
			{Name: "云账号管理", Code: "cloud:account", Type: "menu", Sort: 10, Status: 1},
			{Name: "域名管理", Code: "cloud:domain", Type: "menu", Sort: 11, Status: 1},
			{Name: "云账单", Code: "cloud:billing", Type: "menu", Sort: 12, Status: 1},
			// Kubernetes
			{Name: "集群管理", Code: "k8s:cluster", Type: "menu", Sort: 20, Status: 1},
			{Name: "节点管理", Code: "k8s:nodes", Type: "menu", Sort: 21, Status: 1},
			{Name: "工作负载", Code: "k8s:workloads", Type: "menu", Sort: 22, Status: 1},
			{Name: "架构拓扑", Code: "k8s:topology", Type: "menu", Sort: 23, Status: 1},
			// 应用发布
			{Name: "流水线", Code: "deploy:pipeline", Type: "menu", Sort: 30, Status: 1},
			{Name: "应用发布", Code: "deploy:release", Type: "menu", Sort: 31, Status: 1},
			// 监控告警
			{Name: "告警中心", Code: "monitor:alert", Type: "menu", Sort: 40, Status: 1},
			{Name: "告警规则", Code: "monitor:rule", Type: "button", Sort: 41, Status: 1},
			{Name: "Agent监控", Code: "agent:monitor", Type: "menu", Sort: 42, Status: 1},
			{Name: "Agent告警", Code: "agent:alert", Type: "menu", Sort: 43, Status: 1},
			// 自动化运维
			{Name: "定时任务", Code: "auto:cron", Type: "menu", Sort: 50, Status: 1},
			{Name: "脚本管理", Code: "auto:script", Type: "menu", Sort: 51, Status: 1},
			{Name: "Ansible", Code: "auto:ansible", Type: "menu", Sort: 52, Status: 1},
			// AIOps
			{Name: "智能助手", Code: "aiops:assistant", Type: "menu", Sort: 60, Status: 1},
			{Name: "告警分析", Code: "aiops:analysis", Type: "menu", Sort: 61, Status: 1},
			{Name: "容量预测", Code: "aiops:forecast", Type: "menu", Sort: 62, Status: 1},
			// 资源申请
			{Name: "资源申请", Code: "approval:apply", Type: "menu", Sort: 70, Status: 1},
			{Name: "审批管理", Code: "approval:manage", Type: "button", Sort: 71, Status: 1},
			// 系统管理
			{Name: "用户管理", Code: "system:user", Type: "menu", Sort: 80, Status: 1},
			{Name: "角色权限", Code: "system:role", Type: "menu", Sort: 81, Status: 1},
			{Name: "操作审计", Code: "system:audit", Type: "menu", Sort: 82, Status: 1},
			{Name: "LDAP配置", Code: "system:ldap", Type: "menu", Sort: 83, Status: 1},
			// 仪表盘
			{Name: "仪表盘", Code: "dashboard:view", Type: "menu", Sort: 90, Status: 1},
		}
		db.Create(&perms)
		zap.L().Info("seeded default permissions")
	}

	// 5. 创建默认角色（如果不存在）
	var roleCount int64
	db.Model(&models.Role{}).Count(&roleCount)
	if roleCount == 0 {
		roles := []models.Role{
			{Name: "管理员", Code: "admin", Description: "系统管理员，拥有全部权限", Status: 1},
			{Name: "运维工程师", Code: "ops", Description: "日常运维管理", Status: 1},
			{Name: "开发工程师", Code: "developer", Description: "开发人员，只读权限", Status: 1},
			{Name: "只读用户", Code: "viewer", Description: "仅查看权限", Status: 1},
		}
		db.Create(&roles)
		zap.L().Info("seeded default roles")

		// 为各角色分配权限
		var allPerms []models.Permission
		db.Find(&allPerms)
		for _, role := range roles {
			var permIds []uint
			switch role.Code {
			case "admin":
				for _, p := range allPerms {
					permIds = append(permIds, p.ID)
				}
			case "ops":
				for _, p := range allPerms {
					if !strings.HasPrefix(p.Code, "system:") {
						permIds = append(permIds, p.ID)
					}
				}
			case "developer":
				devPerms := map[string]bool{
					"dashboard:view": true, "server:view": true, "cloud:account": true,
					"cloud:domain": true, "cloud:billing": true,
					"k8s:cluster": true, "k8s:nodes": true, "k8s:workloads": true, "k8s:topology": true,
					"monitor:alert": true, "deploy:pipeline": true, "deploy:release": true,
					"approval:apply": true, "aiops:assistant": true, "aiops:analysis": true, "aiops:forecast": true,
				}
				for _, p := range allPerms {
					if devPerms[p.Code] {
						permIds = append(permIds, p.ID)
					}
				}
			case "viewer":
				for _, p := range allPerms {
					if p.Code == "dashboard:view" || p.Code == "server:view" || p.Code == "monitor:alert" {
						permIds = append(permIds, p.ID)
					}
				}
			}
			if len(permIds) > 0 {
				var rolePerms []models.Permission
				db.Where("id IN ?", permIds).Find(&rolePerms)
				db.Model(&role).Association("Permissions").Append(rolePerms)
			}
		}
	}
}