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

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

model User {
  id           Int       @id @default(autoincrement())
  username     String    @unique
  passwordHash String
  passwordSalt String
  sessions     Session[]
}

model Session {
  token     String   @id @default(uuid())
  createdAt DateTime @default(now())
  user      User     @relation(fields: [userId], references: [id])
  userId    Int
}

enum SubmissionState {
  Queued
  InReview
  Correct
  Incorrect
}

enum SubmissionStateReason {
  BuildError
  TimeLimitExceeded
  IncorrectOverriddenAsCorrect
  SandboxError
}

model Submission {
  id           Int             @id @default(autoincrement())
  createdAt    DateTime        @default(now())
  gradedAt     DateTime?
  state        SubmissionState
  stateReason  SubmissionStateReason?
  stateReasonDetails  String?
  actualOutput String?
  commitHash   String
  diff         String?
  message      String?
  team         Team            @relation(fields: [teamId], references: [id])
  teamId       Int
  problem      Problem         @relation(fields: [problemId], references: [id])
  problemId    Int
  contestId    Int
  contest      Contest         @relation(fields: [contestId], references: [id])
}

model Problem {
  id           Int          @id @default(autoincrement())
  friendlyName String       @unique
  pascalName   String       @unique
  sampleInput  String
  sampleOutput String
  realInput    String
  realOutput   String
  submissions  Submission[]
  contests     Contest[]    @relation("ProblemContestRelation")
}

model Team {
  id          Int          @id @default(autoincrement())
  name        String       @unique
  submissions Submission[]
  contests    Contest[]    @relation("TeamContestRelation")
  password    String
  activeTeam  ActiveTeam?
  language    Language
}

enum Language {
  Java
  CSharp
}

model ActiveTeam {
  id               Int       @id @default(autoincrement())
  teamId           Int       @unique
  team             Team      @relation(fields: [teamId], references: [id])
  sessionToken     String?   @unique
  sessionCreatedAt DateTime?
  contestId        Int
  contest          Contest   @relation(fields: [contestId], references: [id])
}

model Contest {
  id          Int          @id @default(autoincrement())
  name        String       @unique
  teams       Team[]       @relation("TeamContestRelation")
  problems    Problem[]    @relation("ProblemContestRelation")
  activeTeams ActiveTeam[]
  submissions Submission[]
  startTime   DateTime?
}