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

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

// ── Users ──

model User {
  id        String   @id @default(cuid())
  email     String   @unique
  name      String?
  role      Role     @default(USER)
  version   Int      @default(1)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  sessions  Session[]
  auditLogs AuditLog[]
  projects  Project[]

  @@index([email])
}

enum Role {
  USER
  ADMIN
}

// ── Sessions ──

model Session {
  id        String   @id @default(cuid())
  token     String   @unique
  userId    String
  expiresAt DateTime
  createdAt DateTime @default(now())

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

  @@index([token])
  @@index([userId])
  @@index([expiresAt])
}

// ── MCP Servers ──

model McpServer {
  id            String          @id @default(cuid())
  name          String          @unique
  description   String          @default("")
  packageName   String?
  dockerImage   String?
  transport     Transport       @default(STDIO)
  repositoryUrl String?
  envTemplate   Json            @default("[]")
  version       Int             @default(1)
  createdAt     DateTime        @default(now())
  updatedAt     DateTime        @updatedAt

  profiles  McpProfile[]
  instances McpInstance[]

  @@index([name])
}

enum Transport {
  STDIO
  SSE
  STREAMABLE_HTTP
}

// ── MCP Profiles ──

model McpProfile {
  id          String   @id @default(cuid())
  name        String
  serverId    String
  permissions Json     @default("[]")
  envOverrides Json    @default("{}")
  version     Int      @default(1)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  server   McpServer            @relation(fields: [serverId], references: [id], onDelete: Cascade)
  projects ProjectMcpProfile[]

  @@unique([name, serverId])
  @@index([serverId])
}

// ── Projects ──

model Project {
  id          String   @id @default(cuid())
  name        String   @unique
  description String   @default("")
  ownerId     String
  version     Int      @default(1)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  owner    User                 @relation(fields: [ownerId], references: [id], onDelete: Cascade)
  profiles ProjectMcpProfile[]

  @@index([name])
  @@index([ownerId])
}

// ── Project <-> Profile join table ──

model ProjectMcpProfile {
  id        String @id @default(cuid())
  projectId String
  profileId String

  project Project    @relation(fields: [projectId], references: [id], onDelete: Cascade)
  profile McpProfile @relation(fields: [profileId], references: [id], onDelete: Cascade)

  @@unique([projectId, profileId])
  @@index([projectId])
  @@index([profileId])
}

// ── MCP Instances (running containers) ──

model McpInstance {
  id          String         @id @default(cuid())
  serverId    String
  containerId String?
  status      InstanceStatus @default(STOPPED)
  port        Int?
  metadata    Json           @default("{}")
  version     Int            @default(1)
  createdAt   DateTime       @default(now())
  updatedAt   DateTime       @updatedAt

  server McpServer @relation(fields: [serverId], references: [id], onDelete: Cascade)

  @@index([serverId])
  @@index([status])
}

enum InstanceStatus {
  STARTING
  RUNNING
  STOPPING
  STOPPED
  ERROR
}

// ── Audit Logs ──

model AuditLog {
  id        String   @id @default(cuid())
  userId    String
  action    String
  resource  String
  resourceId String?
  details   Json     @default("{}")
  createdAt DateTime @default(now())

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

  @@index([userId])
  @@index([action])
  @@index([resource])
  @@index([createdAt])
}