// DevOS v1 — PostgreSQL + Prisma schema
// 设计原则（04-DATABASE-SCHEMA.md）：
// - resources 表承担统一身份/发现/图谱公共字段；
// - 具备大量运行状态的资源使用类型化领域表（servers/websites/...），通过 resourceId 与 resources 一对一关联；
// - 资源关系独立成表（resource_relations），图谱可演进而非堆在一张大表；
// - 凭据密文独立存储，绝不与普通元数据混放。

generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

// ============ 枚举 ============

enum ResourceType {
  SERVER
  DOMAIN
  WEBSITE
  REPOSITORY
  CERTIFICATE
  DATABASE
  CONTAINER
  EMAIL_ACCOUNT
  PROJECT
  TASK
  NOTE
  DOCUMENT
  BACKUP
  DEPLOYMENT
  MONITOR
  CREDENTIAL
  AUTOMATION
  AI_RUN
}

enum ResourceStatus {
  PENDING
  ACTIVE
  ERROR
  OFFLINE
  ARCHIVED
  UNKNOWN
}

enum WorkspaceRole {
  OWNER
  ADMIN
  MEMBER
  VIEWER
}

enum RiskLevel {
  LOW
  MEDIUM
  HIGH
  CRITICAL
}

enum ActorType {
  USER
  SYSTEM
  AGENT
  MCP
}

enum JobStatus {
  PENDING
  RUNNING
  SUCCEEDED
  FAILED
  CANCELLED
  DEAD
}

enum DeploymentStatus {
  QUEUED
  RUNNING
  SUCCEEDED
  FAILED
  CANCELLED
}

enum CredentialType {
  SSH_PASSWORD
  SSH_KEY
  API_TOKEN
  DNS_PROVIDER
  GIT_TOKEN
}

enum ServerAuthType {
  PASSWORD
  SSH_KEY
}

enum TriggerType {
  MANUAL
  CRON
  EVENT
  WEBHOOK
}

enum AiRunStatus {
  PLANNING
  AWAITING_APPROVAL
  RUNNING
  SUCCEEDED
  FAILED
  REJECTED
}

// ============ 身份与工作区 ============

/// # 数据库表 users：平台用户
model User {
  /// # 数据库字段 邮箱（登录名，唯一）
  id           String   @id @default(uuid())
  email        String   @unique
  /// # 数据库字段 密码哈希（argon2id/scrypt，绝不明文）
  passwordHash String
  name         String?
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  memberships WorkspaceMember[]

  @@map("users")
}

/// # 数据库表 workspaces：租户/安全边界
model Workspace {
  id        String   @id @default(uuid())
  name      String
  slug      String   @unique
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  members   WorkspaceMember[]
  resources Resource[]

  @@map("workspaces")
}

/// # 数据库表 workspace_members：用户-工作区关系与角色
model WorkspaceMember {
  id          String        @id @default(uuid())
  workspaceId String
  userId      String
  role        WorkspaceRole @default(MEMBER)
  createdAt   DateTime      @default(now())

  workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
  user      User      @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([workspaceId, userId])
  @@index([userId])
  @@map("workspace_members")
}

// ============ 统一资源模型 ============

/// # 数据库表 resources：统一资源身份/发现/图谱公共字段
model Resource {
  id          String         @id @default(uuid())
  workspaceId String
  type        ResourceType
  name        String
  provider    String?
  status      ResourceStatus @default(PENDING)
  /// # 数据库字段 扩展元数据（敏感信息禁止写入）
  metadata    Json           @default("{}")
  createdAt   DateTime       @default(now())
  updatedAt   DateTime       @updatedAt

  workspace         Workspace          @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
  outgoingRelations ResourceRelation[] @relation("source")
  incomingRelations ResourceRelation[] @relation("target")
  credential        Credential?
  server            Server?
  container         Container?
  website           Website?
  domain            Domain?
  deployment        Deployment?
  monitor           Monitor?
  automation        Automation?
  aiRun             AiRun?
  gitConnection     GitConnection?
  repository        Repository?
  task              Task?
  note              Note?
  certificate       Certificate?

  @@index([workspaceId])
  @@index([type, status])
  @@index([workspaceId, type])
  @@map("resources")
}

/// # 数据库表 resource_relations：资源关系图（有向边）
model ResourceRelation {
  id           String   @id @default(uuid())
  workspaceId  String
  sourceId     String
  targetId     String
  /// # 数据库字段 关系类型，如 deployed_on / has_domain / resolves_to / monitors
  relationType String
  metadata     Json     @default("{}")
  createdAt    DateTime @default(now())

  source Resource @relation("source", fields: [sourceId], references: [id], onDelete: Cascade)
  target Resource @relation("target", fields: [targetId], references: [id], onDelete: Cascade)

  @@unique([sourceId, targetId, relationType])
  @@index([sourceId])
  @@index([targetId])
  @@index([workspaceId])
  @@map("resource_relations")
}

// ============ 凭据保险库 ============

/// # 数据库表 credentials：加密凭据（信封加密后的密文，禁止记录明文）
model Credential {
  id            String         @id @default(uuid())
  workspaceId   String
  resourceId    String?        @unique
  name          String
  type          CredentialType
  provider      String?
  /// # 数据库字段 AES-256-GCM 密文 JSON（iv/tag/ciphertext，base64）
  encryptedData String
  metadata      Json           @default("{}")
  lastUsedAt    DateTime?
  createdAt     DateTime       @default(now())
  updatedAt     DateTime       @updatedAt

  resource Resource? @relation(fields: [resourceId], references: [id], onDelete: SetNull)

  @@index([workspaceId])
  @@map("credentials")
}

// ============ 审计 / 事件 / 任务 ============

/// # 数据库表 audit_logs：审计日志（每个变更必写）
model AuditLog {
  id           String    @id @default(uuid())
  workspaceId  String
  actorType    ActorType
  actorId      String?
  action       String
  resourceType String?
  resourceId   String?
  riskLevel    RiskLevel @default(LOW)
  status       String    @default("SUCCESS")
  requestId    String?
  ip           String?
  metadata     Json      @default("{}")
  createdAt    DateTime  @default(now())

  @@index([workspaceId, createdAt])
  @@index([resourceType, resourceId])
  @@map("audit_logs")
}

/// # 数据库表 events：领域事件（持久化 + 分发）
model EventRecord {
  id            String   @id @default(uuid())
  workspaceId   String
  eventType     String
  resourceId    String?
  payload       Json     @default("{}")
  correlationId String?
  createdAt     DateTime @default(now())

  @@index([eventType, createdAt])
  @@index([workspaceId, createdAt])
  @@map("events")
}

/// # 数据库表 jobs：异步任务（持久化状态机 + Redis 派发）
model Job {
  id            String    @id @default(uuid())
  workspaceId   String
  type          String
  status        JobStatus @default(PENDING)
  payload       Json      @default("{}")
  result        Json?
  error         String?
  attempts      Int       @default(0)
  maxAttempts   Int       @default(3)
  runAt         DateTime  @default(now())
  startedAt     DateTime?
  finishedAt    DateTime?
  correlationId String?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  @@index([status, runAt])
  @@index([workspaceId])
  @@map("jobs")
}

// ============ 基础设施领域表 ============

/// # 数据库表 servers：受管计算目标（SSH）
model Server {
  id           String         @id @default(uuid())
  workspaceId  String
  resourceId   String         @unique
  name         String
  host         String
  port         Int            @default(22)
  username     String
  authType     ServerAuthType @default(SSH_KEY)
  provider     String         @default("ssh")
  credentialId String?
  osInfo       String?
  labels       Json           @default("{}")
  lastSeenAt   DateTime?
  createdAt    DateTime       @default(now())
  updatedAt    DateTime       @updatedAt

  resource   Resource    @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  containers Container[]
  websites   Website[]
  monitors   Monitor[]

  @@index([workspaceId])
  @@map("servers")
}

/// # 数据库表 containers：Docker 容器发现结果
model Container {
  id          String   @id @default(uuid())
  workspaceId String
  resourceId  String   @unique
  serverId    String
  containerId String
  name        String
  image       String
  state       String
  ports       Json     @default("{}")
  labels      Json     @default("{}")
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  resource Resource @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  server   Server   @relation(fields: [serverId], references: [id], onDelete: Cascade)

  @@index([serverId])
  @@index([workspaceId])
  @@map("containers")
}

/// # 数据库表 websites：可部署应用资源
model Website {
  id            String   @id @default(uuid())
  workspaceId   String
  resourceId    String   @unique
  name          String
  primaryDomain String?
  serverId      String?
  repositoryUrl String?
  /// # 数据库字段 关联仓库（Git Provider 凭据克隆；优先于 repositoryUrl）
  repositoryId  String?
  /// # 数据库字段 部署环境：development / staging / production
  environment   String   @default("production")
  /// # 数据库字段 部署类型：DOCKER / STATIC / NODE
  deployType    String   @default("DOCKER")
  /// # 数据库字段 容器对外端口
  port          Int      @default(80)
  healthPath    String   @default("/")
  env           Json     @default("{}")
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  resource    Resource     @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  server      Server?      @relation(fields: [serverId], references: [id], onDelete: SetNull)
  deployments Deployment[]
  monitors    Monitor[]
  repository  Repository?  @relation(fields: [repositoryId], references: [id])

  @@index([workspaceId])
  @@map("websites")
}

/// # 数据库表 domains：域名与 DNS 提供商绑定
model Domain {
  id           String    @id @default(uuid())
  workspaceId  String
  resourceId   String    @unique
  name         String
  provider     String    @default("MANUAL")
  credentialId String?
  expiresAt    DateTime?
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  resource Resource       @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  records  DomainRecord[]

  @@index([workspaceId])
  @@map("domains")
}

/// # 数据库表 domain_records：域名记录（手动 provider 时为本地事实源）
model DomainRecord {
  id               String   @id @default(uuid())
  workspaceId      String
  domainId         String
  type             String
  name             String
  value            String
  ttl              Int      @default(300)
  proxied          Boolean  @default(false)
  providerRecordId String?
  updatedAt        DateTime @updatedAt
  createdAt        DateTime @default(now())

  domain Domain @relation(fields: [domainId], references: [id], onDelete: Cascade)

  @@unique([domainId, type, name, value])
  @@index([workspaceId])
  @@map("domain_records")
}

/// # 数据库表 deployments：部署执行记录
model Deployment {
  id             String           @id @default(uuid())
  workspaceId    String
  resourceId     String           @unique
  websiteId      String
  status         DeploymentStatus @default(QUEUED)
  trigger        String           @default("MANUAL")
  progress       Int              @default(0)
  /// # 数据库字段 失败原因（截断存储，不含敏感信息）
  error          String?
  commit         String?
  /// # 数据库字段 部署环境：development / staging / production
  environment    String?
  /// # 数据库字段 构建策略：DOCKERFILE / STATIC_COPY
  buildStrategy  String?
  /// # 数据库字段 部署策略：DOCKER_CONTAINER / STATIC_DIR
  deployStrategy String?
  /// # 数据库字段 健康验证证据 {ok,status,latencyMs,checkedAt}
  verification   Json?
  /// # 数据库字段 部署参数快照（分支、镜像 tag 等）
  config         Json             @default("{}")
  createdAt      DateTime         @default(now())
  finishedAt     DateTime?

  resource Resource        @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  website  Website         @relation(fields: [websiteId], references: [id], onDelete: Cascade)
  logs     DeploymentLog[]

  @@index([websiteId, createdAt])
  @@index([workspaceId, createdAt])
  @@map("deployments")
}

/// # 数据库表 deployment_logs：部署日志行（顺序）
model DeploymentLog {
  id           String   @id @default(uuid())
  deploymentId String
  seq          Int
  stream       String   @default("stdout")
  line         String
  createdAt    DateTime @default(now())

  deployment Deployment @relation(fields: [deploymentId], references: [id], onDelete: Cascade)

  @@index([deploymentId, seq])
  @@map("deployment_logs")
}

/// # 数据库表 monitors：健康检查配置
model Monitor {
  id                  String    @id @default(uuid())
  workspaceId         String
  resourceId          String    @unique
  websiteId           String?
  serverId            String?
  name                String
  /// # 数据库字段 检查类型：HTTP / TCP
  kind                String    @default("HTTP")
  target              String
  intervalSec         Int       @default(60)
  timeoutMs           Int       @default(10000)
  enabled             Boolean   @default(true)
  lastStatus          String    @default("UNKNOWN")
  consecutiveFailures Int       @default(0)
  lastCheckedAt       DateTime?
  createdAt           DateTime  @default(now())
  updatedAt           DateTime  @updatedAt

  resource Resource        @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  website  Website?        @relation(fields: [websiteId], references: [id], onDelete: Cascade)
  server   Server?         @relation(fields: [serverId], references: [id], onDelete: Cascade)
  results  MonitorResult[]

  @@index([enabled, lastCheckedAt])
  @@index([workspaceId])
  @@map("monitors")
}

/// # 数据库表 monitor_results：监控结果历史
model MonitorResult {
  id        String   @id @default(uuid())
  monitorId String
  ok        Boolean
  status    String?
  latencyMs Int?
  error     String?
  createdAt DateTime @default(now())

  monitor Monitor @relation(fields: [monitorId], references: [id], onDelete: Cascade)

  @@index([monitorId, createdAt])
  @@map("monitor_results")
}

// ============ 自动化 ============

/// # 数据库表 automations：Trigger → Condition → Action 工作流
model Automation {
  id              String      @id @default(uuid())
  workspaceId     String
  resourceId      String      @unique
  name            String
  enabled         Boolean     @default(false)
  triggerType     TriggerType
  /// # 数据库字段 触发器配置（cron 表达式 / 事件名 / webhook token）
  triggerConfig   Json        @default("{}")
  /// # 数据库字段 条件列表 [{path,op,value}]
  conditions      Json        @default("[]")
  /// # 数据库字段 动作列表 [{type,args,timeoutMs,retries}]
  actions         Json        @default("[]")
  lastTriggeredAt DateTime?
  createdAt       DateTime    @default(now())
  updatedAt       DateTime    @updatedAt

  resource Resource        @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  runs     AutomationRun[]

  @@index([workspaceId])
  @@index([triggerType, enabled])
  @@map("automations")
}

/// # 数据库表 automation_runs：自动化执行历史
model AutomationRun {
  id            String    @id @default(uuid())
  automationId  String
  workspaceId   String
  status        String    @default("RUNNING")
  trigger       Json      @default("{}")
  stepIndex     Int       @default(0)
  logs          Json      @default("[]")
  error         String?
  correlationId String?
  startedAt     DateTime  @default(now())
  finishedAt    DateTime?

  automation Automation @relation(fields: [automationId], references: [id], onDelete: Cascade)

  @@index([automationId, startedAt])
  @@map("automation_runs")
}

// ============ AI Gateway ============

/// # 数据库表 ai_runs：AI 运行（计划→风控→审批→执行→验证）
model AiRun {
  id            String      @id @default(uuid())
  workspaceId   String
  resourceId    String      @unique
  objective     String
  status        AiRunStatus @default(PLANNING)
  /// # 数据库字段 来源：UI / CHAT / MCP / AUTOMATION
  source        String      @default("UI")
  riskLevel     RiskLevel   @default(LOW)
  /// # 数据库字段 计划步骤 [{tool,args,reason,risk}]
  plan          Json        @default("[]")
  /// # 数据库字段 执行历史 [{tool,args,result,ok}]
  toolCalls     Json        @default("[]")
  /// # 数据库字段 验证结果 {ok, checks[]}
  verification  Json?
  result        Json?
  error         String?
  approvedBy    String?
  approvedAt    DateTime?
  correlationId String?
  createdAt     DateTime    @default(now())
  updatedAt     DateTime    @updatedAt

  resource Resource @relation(fields: [resourceId], references: [id], onDelete: Cascade)

  @@index([workspaceId, createdAt])
  @@map("ai_runs")
}

// ============ Phase 2：Git / 生产力 / 通知 / 证书 ============

/// # 数据库表 git_connections：Git Provider 连接（GitHub/GitLab/Gitea + 凭据引用）
model GitConnection {
  id           String   @id @default(uuid())
  workspaceId  String
  resourceId   String   @unique
  name         String
  /// # 数据库字段 提供商：GITHUB / GITLAB / GITEA
  provider     String
  /// # 数据库字段 自建实例 API 基址（Gitea/GitLab 自托管时填写）
  apiBase      String?
  credentialId String
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  resource     Resource     @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  repositories Repository[]

  @@index([workspaceId])
}

/// # 数据库表 repositories：外部代码仓库聚合（不实现 Git 托管）
model Repository {
  id            String   @id @default(uuid())
  workspaceId   String
  resourceId    String   @unique
  connectionId  String?
  provider      String   @default("GENERIC")
  /// # 数据库字段 全名 owner/repo
  fullName      String
  /// # 数据库字段 HTTPS 克隆地址（不含凭据）
  cloneUrl      String
  defaultBranch String   @default("main")
  /// # 数据库字段 private 标记
  visibility    String   @default("private")
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  resource   Resource       @relation(fields: [resourceId], references: [id], onDelete: Cascade)
  connection GitConnection? @relation(fields: [connectionId], references: [id], onDelete: SetNull)
  websites   Website[]

  @@unique([workspaceId, cloneUrl])
  @@index([workspaceId])
}

/// # 数据库表 tasks：工作项（backlog/todo/doing/review/done）
model Task {
  id          String    @id @default(uuid())
  workspaceId String
  resourceId  String    @unique
  title       String
  description String    @default("")
  /// # 数据库字段 状态：BACKLOG / TODO / DOING / REVIEW / DONE
  status      String    @default("TODO")
  /// # 数据库字段 优先级：LOW / MEDIUM / HIGH / URGENT
  priority    String    @default("MEDIUM")
  labels      Json      @default("[]")
  dueAt       DateTime?
  /// # 数据库字段 关联项目资源 ID（可空）
  projectId   String?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  resource Resource @relation(fields: [resourceId], references: [id], onDelete: Cascade)

  @@index([workspaceId, status])
  @@index([projectId])
}

/// # 数据库表 notes：笔记/知识（markdown 存储）
model Note {
  id          String   @id @default(uuid())
  workspaceId String
  resourceId  String   @unique
  title       String
  /// # 数据库字段 正文（HTML，TipTap 富文本）
  content     String   @default("")
  tags        Json     @default("[]")
  projectId   String?
  /// # 数据库字段 置顶
  pinned      Boolean  @default(false)
  /// # 数据库字段 文件夹（分组）
  folder      String?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  resource Resource @relation(fields: [resourceId], references: [id], onDelete: Cascade)

  @@index([workspaceId])
}

/// # 数据库表 notifications：站内通知（自动化/事件投递）
model Notification {
  id          String    @id @default(uuid())
  workspaceId String
  resourceId  String?
  title       String
  body        String    @default("")
  /// # 数据库字段 级别：INFO / WARN / ERROR
  level       String    @default("INFO")
  readAt      DateTime?
  createdAt   DateTime  @default(now())

  @@index([workspaceId, createdAt])
}

/// # 数据库表 certificates：TLS 证书统一模型（探针检测）
model Certificate {
  id            String    @id @default(uuid())
  workspaceId   String
  resourceId    String    @unique
  /// # 数据库字段 证书主域名
  domain        String
  domainId      String?
  /// # 数据库字段 状态：PENDING / ACTIVE / EXPIRED / ERROR
  status        String    @default("PENDING")
  issuer        String?
  notAfter      DateTime?
  lastCheckedAt DateTime?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  resource Resource @relation(fields: [resourceId], references: [id], onDelete: Cascade)

  @@index([workspaceId])
}

// ============ v2 Action Runtime ============

/// # 数据库表 devos_action_executions：v2 Action 执行记录（docs 03 §31）
model ActionExecution {
  id           String   @id
  actionId     String
  actorType    String
  actorId      String?
  resourceType String?
  resourceId   String?
  status       String
  input        Json?
  output       Json?
  error        Json?
  requestId    String?
  rootExecutionId String?
  parentExecutionId String?
  durationMs   Int?
  startedAt    DateTime?
  completedAt  DateTime?
  createdAt    DateTime @default(now())

  @@index([actionId, createdAt])
  @@index([status])
}