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

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

model Player {
  id                Int                @id @default(autoincrement())
  name              String
  rating            Int                @default(0)  // Historical rating (used for rankings)
  currentElo        Int                @default(1000)  // Current Elo rating
  gamesPlayed       Int                @default(0)  // Total games played
  wins              Int                @default(0)  // Total wins
  losses            Int                @default(0)  // Total losses
  createdAt         DateTime           @default(now())
  updatedAt         DateTime           @updatedAt
  eloSnapshots      EloSnapshot[]
  eventParticipants EventParticipant[]
  matchesAsP4       Match[]            @relation("MatchPlayer4")
  matchesAsP3       Match[]            @relation("MatchPlayer3")
  matchesAsP2       Match[]            @relation("MatchPlayer2")
  matchesAsP1       Match[]            @relation("MatchPlayer1")
  partnershipGames2 PartnershipGame[]  @relation("PartnershipPlayer2")
  partnershipGames  PartnershipGame[]  @relation("PartnershipPlayer1")
  partnershipStats2 PartnershipStat[]  @relation("StatPlayer2")
  partnershipStats  PartnershipStat[]  @relation("StatPlayer1")
  teamsAsPlayer2    Team[]             @relation("TeamPlayer2")
  teamsAsPlayer1    Team[]             @relation("TeamPlayer1")
  user              User?

  @@map("players")
}

model User {
  id              String    @id @default(cuid())
  email           String    @unique
  emailVerified   Boolean   @default(false)
  name            String?
  image           String?
  role            String    @default("player") // player, tournament_admin, club_admin
  
  // Session and account references for Better Auth
  sessions        Session[]
  accounts        Account[]
  
  // Link to EuchreCamp player (optional)
  playerId        Int?      @unique
  player          Player?   @relation(fields: [playerId], references: [id])
  
  // Tournaments owned by this user
  ownedTournaments Event[]  @relation("TournamentOwner")
  
  // Matches created by this user
  createdMatches   Match[]  @relation("MatchCreator")
  
  createdAt       DateTime  @default(now())
  updatedAt       DateTime  @updatedAt

  @@map("users")
}

model Event {
  id              Int                @id @default(autoincrement())
  event_id        Int?
  name            String
  description     String?
  eventDate       DateTime?
  eventType       String             @default("tournament")
  format          String             @default("round_robin")
  status          String             @default("planned")
  maxParticipants Int?
  ownerId         String?            // User ID of the tournament owner (for tournament_admin)
  createdAt       DateTime           @default(now())
  updatedAt       DateTime           @updatedAt
  bracketMatchups BracketMatchup[]
  participants    EventParticipant[]
  matches         Match[]
  teams           Team[]
  rounds          TournamentRound[]
  owner           User?              @relation("TournamentOwner", fields: [ownerId], references: [id])

  @@map("events")
}

model EventParticipant {
  id               Int       @id @default(autoincrement())
  eventId          Int
  playerId         Int
  teamId           Int?
  seed             Int?
  status           String    @default("registered")
  registrationDate DateTime?
  createdAt        DateTime  @default(now())
  updatedAt        DateTime  @updatedAt
  team             Team?     @relation(fields: [teamId], references: [id])
  player           Player    @relation(fields: [playerId], references: [id])
  event            Event     @relation(fields: [eventId], references: [id])

  @@unique([eventId, playerId])
  @@map("event_participants")
}

model Team {
  id                Int                @id @default(autoincrement())
  eventId           Int
  teamName          String?
  player1Id         Int
  player2Id         Int
  createdAt         DateTime           @default(now())
  updatedAt         DateTime           @updatedAt
  bracketMatchups2  BracketMatchup[]   @relation("BracketTeam2")
  bracketMatchups1  BracketMatchup[]   @relation("BracketTeam1")
  eventParticipants EventParticipant[]
  player2           Player             @relation("TeamPlayer2", fields: [player2Id], references: [id])
  player1           Player             @relation("TeamPlayer1", fields: [player1Id], references: [id])
  event             Event              @relation(fields: [eventId], references: [id])

  @@map("teams")
}

model TournamentRound {
  id              Int              @id @default(autoincrement())
  eventId         Int
  roundNumber     Int
  status          String           @default("pending")
  scheduledStart  DateTime?
  actualStart     DateTime?
  completedAt     DateTime?
  createdAt       DateTime         @default(now())
  updatedAt       DateTime         @updatedAt
  bracketMatchups BracketMatchup[]
  event           Event            @relation(fields: [eventId], references: [id])

  @@map("tournament_rounds")
}

model BracketMatchup {
  id              Int             @id @default(autoincrement())
  roundId         Int
  eventId         Int
  team1Id         Int?
  team2Id         Int?
  matchId         Int?
  tableNumber     Int?
  bracketPosition Int?
  winnerTeamId    Int?
  loserTeamId     Int?
  status          String          @default("pending")
  createdAt       DateTime        @default(now())
  updatedAt       DateTime        @updatedAt
  match           Match?          @relation(fields: [matchId], references: [id])
  team2           Team?           @relation("BracketTeam2", fields: [team2Id], references: [id])
  team1           Team?           @relation("BracketTeam1", fields: [team1Id], references: [id])
  event           Event           @relation(fields: [eventId], references: [id])
  round           TournamentRound @relation(fields: [roundId], references: [id])

  @@map("bracket_matchups")
}

model Match {
  id               Int               @id @default(autoincrement())
  eventId          Int?
  playedAt         DateTime?
  team1P1Id        Int
  team1P2Id        Int
  team2P1Id        Int
  team2P2Id        Int
  team1Score       Int
  team2Score       Int
  status           String            @default("completed")
  createdById      String?           // User ID of the match creator (for tournament_admin)
  createdAt        DateTime          @default(now())
  updatedAt        DateTime          @updatedAt
  bracketMatchups  BracketMatchup[]
  eloSnapshots     EloSnapshot[]
  team2P2          Player            @relation("MatchPlayer4", fields: [team2P2Id], references: [id])
  team2P1          Player            @relation("MatchPlayer3", fields: [team2P1Id], references: [id])
  team1P2          Player            @relation("MatchPlayer2", fields: [team1P2Id], references: [id])
  team1P1          Player            @relation("MatchPlayer1", fields: [team1P1Id], references: [id])
  event            Event?            @relation(fields: [eventId], references: [id])
  partnershipGames PartnershipGame[]
  createdBy        User?             @relation("MatchCreator", fields: [createdById], references: [id])

  @@map("matches")
}

model EloSnapshot {
  id           Int      @id @default(autoincrement())
  playerId     Int
  matchId      Int
  ratingBefore Int
  ratingAfter  Int
  ratingChange Int
  createdAt    DateTime @default(now())
  match        Match    @relation(fields: [matchId], references: [id])
  player       Player   @relation(fields: [playerId], references: [id])

  @@map("elo_snapshots")
}

model PartnershipGame {
  id               Int      @id @default(autoincrement())
  player1Id        Int
  player2Id        Int
  matchId          Int
  teamNumber       Int?
  wonMatch         Int?
  player1EloChange Int?
  player2EloChange Int?
  createdAt        DateTime @default(now())
  match            Match    @relation(fields: [matchId], references: [id])
  player2          Player   @relation("PartnershipPlayer2", fields: [player2Id], references: [id])
  player1          Player   @relation("PartnershipPlayer1", fields: [player1Id], references: [id])

  @@map("partnership_games")
}

model PartnershipStat {
  id             Int       @id @default(autoincrement())
  player1Id      Int
  player2Id      Int
  gamesPlayed    Int       @default(0)
  wins           Int       @default(0)
  losses         Int       @default(0)
  totalEloChange Int       @default(0)
  lastPlayed     DateTime?
  createdAt      DateTime  @default(now())
  updatedAt      DateTime  @updatedAt
  player2        Player    @relation("StatPlayer2", fields: [player2Id], references: [id])
  player1        Player    @relation("StatPlayer1", fields: [player1Id], references: [id])

  @@map("partnership_stats")
}

model Session {
  id        String   @id
  expiresAt DateTime
  token     String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  ipAddress String?
  userAgent String?
  userId    String
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([token])
  @@index([userId])
  @@map("session")
}

model Account {
  id                    String    @id
  accountId             String
  providerId            String
  userId                String
  user                  User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  accessToken           String?
  refreshToken          String?
  idToken               String?
  accessTokenExpiresAt  DateTime?
  refreshTokenExpiresAt DateTime?
  scope                 String?
  password              String?
  createdAt             DateTime  @default(now())
  updatedAt             DateTime  @updatedAt

  @@index([userId])
  @@map("account")
}

model Verification {
  id         String   @id
  identifier String
  value      String
  expiresAt  DateTime
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  @@index([identifier])
  @@map("verification")
}