// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

generator client {
    provider        = "prisma-client-js"
    previewFeatures = ["metrics", "relationJoins"]
}

generator json {
    provider = "prisma-json-types-generator"
}

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

//
// Account
//

model Account {
    id              String      @id @default(cuid())
    publicKey       String      @unique
    seq             Int         @default(0)
    createdAt       DateTime    @default(now())
    updatedAt       DateTime    @updatedAt
    settings        String?
    settingsVersion Int         @default(0)
    githubUserId    String?
    githubUser      GithubUser? @relation(fields: [githubUserId], references: [id])

    // Profile
    firstName String?
    lastName  String?
    /// [ImageRef]
    avatar    Json?

    Session             Session[]
    AccountPushToken    AccountPushToken[]
    TerminalAuthRequest TerminalAuthRequest[]
    AccountAuthRequest  AccountAuthRequest[]
    UsageReport         UsageReport[]
    Machine             Machine[]
    UploadedFile        UploadedFile[]
    ServiceAccountToken ServiceAccountToken[]
    Artifact            Artifact[]
}

model TerminalAuthRequest {
    id                String   @id @default(cuid())
    publicKey         String   @unique
    supportsV2        Boolean  @default(false)
    response          String?
    responseAccountId String?
    responseAccount   Account? @relation(fields: [responseAccountId], references: [id])
    createdAt         DateTime @default(now())
    updatedAt         DateTime @updatedAt
}

model AccountAuthRequest {
    id                String   @id @default(cuid())
    publicKey         String   @unique
    response          String?
    responseAccountId String?
    responseAccount   Account? @relation(fields: [responseAccountId], references: [id])
    createdAt         DateTime @default(now())
    updatedAt         DateTime @updatedAt
}

model AccountPushToken {
    id        String   @id @default(cuid())
    accountId String
    account   Account  @relation(fields: [accountId], references: [id])
    token     String
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt

    @@unique([accountId, token])
}

//
// Sessions
//

model Session {
    id                String           @id @default(cuid())
    tag               String
    accountId         String
    account           Account          @relation(fields: [accountId], references: [id])
    metadata          String
    metadataVersion   Int              @default(0)
    agentState        String?
    agentStateVersion Int              @default(0)
    dataEncryptionKey Bytes?
    seq               Int              @default(0)
    active            Boolean          @default(true)
    lastActiveAt      DateTime         @default(now())
    createdAt         DateTime         @default(now())
    updatedAt         DateTime         @updatedAt
    messages          SessionMessage[]
    usageReports      UsageReport[]

    @@unique([accountId, tag])
    @@index([accountId, updatedAt(sort: Desc)])
}

model SessionMessage {
    id        String   @id @default(cuid())
    sessionId String
    session   Session  @relation(fields: [sessionId], references: [id])
    localId   String?
    seq       Int
    /// [SessionMessageContent]
    content   Json
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt

    @@unique([sessionId, localId])
    @@index([sessionId, seq])
}

//
// Github
//

model GithubUser {
    id        String    @id
    /// [GitHubProfile]
    profile   Json
    token     Bytes?
    createdAt DateTime  @default(now())
    updatedAt DateTime  @updatedAt
    Account   Account[]
}

model GithubOrganization {
    id        String   @id
    /// [GitHubOrg]
    profile   Json
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt
}

//
// Utility
//

model GlobalLock {
    key       String   @id @default(cuid())
    value     String
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt
    expiresAt DateTime
}

model RepeatKey {
    key       String   @id
    value     String
    createdAt DateTime @default(now())
    expiresAt DateTime
}

model SimpleCache {
    key       String   @id
    value     String
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt
}

//
// Usage Reporting
//

model UsageReport {
    id        String   @id @default(cuid())
    key       String
    accountId String
    account   Account  @relation(fields: [accountId], references: [id])
    sessionId String?
    session   Session? @relation(fields: [sessionId], references: [id])
    /// [UsageReportData]
    data      Json
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt

    @@unique([accountId, sessionId, key])
    @@index([accountId])
    @@index([sessionId])
}

//
// Machines
//

model Machine {
    id                 String   @id
    accountId          String
    account            Account  @relation(fields: [accountId], references: [id])
    metadata           String // Encrypted - contains static machine info
    metadataVersion    Int      @default(0)
    daemonState        String? // Encrypted - contains dynamic daemon state
    daemonStateVersion Int      @default(0)
    dataEncryptionKey  Bytes?
    seq                Int      @default(0)
    active             Boolean  @default(true)
    lastActiveAt       DateTime @default(now())
    createdAt          DateTime @default(now())
    updatedAt          DateTime @updatedAt

    @@unique([accountId, id])
    @@index([accountId])
}

model UploadedFile {
    id        String   @id @default(cuid())
    accountId String
    account   Account  @relation(fields: [accountId], references: [id])
    path      String
    width     Int?
    height    Int?
    thumbhash String?
    reuseKey  String?
    createdAt DateTime @default(now())
    updatedAt DateTime @updatedAt

    @@unique([accountId, path])
    @@index([accountId])
}

model ServiceAccountToken {
    id         String    @id @default(cuid())
    accountId  String
    account    Account   @relation(fields: [accountId], references: [id], onDelete: Cascade)
    vendor     String
    token      Bytes // Encrypted token
    metadata   Json? // Optional vendor metadata
    lastUsedAt DateTime?
    createdAt  DateTime  @default(now())
    updatedAt  DateTime  @updatedAt

    @@unique([accountId, vendor])
    @@index([accountId])
}

//
// Artifacts
//

model Artifact {
    id                String   @id // UUID provided by client
    accountId         String
    account           Account  @relation(fields: [accountId], references: [id])
    header            Bytes    // Encrypted header (can contain JSON)
    headerVersion     Int      @default(0)
    body              Bytes    // Encrypted body
    bodyVersion       Int      @default(0)
    dataEncryptionKey Bytes    // Encryption key for this artifact
    seq               Int      @default(0)
    createdAt         DateTime @default(now())
    updatedAt         DateTime @updatedAt

    @@index([accountId])
    @@index([accountId, updatedAt(sort: Desc)])
}