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

datasource db {
  provider = "postgresql"
}

model Task {
  id                      String       @id @default(uuid())
  title                   String
  description             String
  status                  String       // Enum: TaskStatus (OPEN, EXECUTING, VERIFYING, COMPLETED, FAILED, etc)
  difficulty              String       // Enum: TaskDifficulty (HELLO_WORLD, COMPONENT, VIEW, EPIC)
  scope_clarity_score     Float
  error_classification    String?      // Enum: TaskErrorClassification
  reward_amount           Int          // Stored in cents
  reward_currency         String       // USD, TWD, USDC
  acceptance_criteria     Json         // Contains validation_mode, test_file_content, rules
  required_stack          String[]
  retry_count             Int          @default(0)
  stripe_payment_intent_id String?
  expires_at              DateTime?
  created_at              DateTime     @default(now())
  updated_at              DateTime     @updatedAt

  claims                  Claim[]
  submissions             Submission[]
}

model Claim {
  id               String       @id @default(uuid())
  task_id          String
  task             Task         @relation(fields: [task_id], references: [id])
  developer_wallet String
  status           String       // EXECUTING, CANCELLED, VERIFYING, COMPLETED
  claim_token      String       @unique // Idempotency token for this claim
  held_amount      Int
  held_currency    String
  expires_at       DateTime
  created_at       DateTime     @default(now())
  updated_at       DateTime     @updatedAt

  submissions      Submission[]
}

model Submission {
  id                          String       @id @default(uuid())
  task_id                     String
  task                        Task         @relation(fields: [task_id], references: [id])
  claim_id                    String
  claim                       Claim        @relation(fields: [claim_id], references: [id])
  status                      String       // VERIFYING, JUDGED
  deliverables                Json         // Files and notes submitted
  estimated_judge_complete_at DateTime?
  created_at                  DateTime     @default(now())
  updated_at                  DateTime     @updatedAt

  judge_results               JudgeResult[]
}

model JudgeResult {
  id                   String       @id @default(uuid())
  submission_id        String
  submission           Submission   @relation(fields: [submission_id], references: [id])
  overall_result       String       // PASS, FAIL, TIMEOUT
  tests                Json         // Array of test results
  artifacts            Json?        // screenshot_url, logs_url, diff_url
  error_classification String?      // Enum: JudgeErrorClassification
  error_signature      String?
  retryable            Boolean      @default(false)
  resource_usage       Json         // cpu_ms, mem_peak_mb, io_bytes
  judge_completed_at   DateTime     @default(now())
}

model AuditEvent {
  id          String   @id @default(uuid())
  actorType   String
  actorId     String?
  action      String
  entityType  String
  entityId    String
  beforeState Json?
  afterState  Json?
  reason      String?
  metadata    Json?
  createdAt   DateTime @default(now())
}