// EuchreCamp Database Schema
// Generated from existing Ruby/ROM implementation

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

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

// Player Model - Tracks individual player information
model Player {
  id        Int      @id @default(autoincrement())
  name      String   @unique
  rating    Int      @default(0)
  currentElo Int     @default(1000)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // Relationships
  users             User[]
  eventParticipants EventParticipant[]
  teamsAsPlayer1    Team[] @relation("TeamPlayer1")
  teamsAsPlayer2    Team[] @relation("TeamPlayer2")
  matchesAsP1       Match[] @relation("MatchPlayer1")
  matchesAsP2       Match[] @relation("MatchPlayer2")
  matchesAsP3       Match[] @relation("MatchPlayer3")
  matchesAsP4       Match[] @relation("MatchPlayer4")
  eloSnapshots      EloSnapshot[]
  partnershipGames  PartnershipGame[] @relation("PartnershipPlayer1")
  partnershipGames2 PartnershipGame[] @relation("PartnershipPlayer2")
  partnershipStats  PartnershipStat[] @relation("StatPlayer1")
  partnershipStats2 PartnershipStat[] @relation("StatPlayer2")

  @@map("players")
}

// User Model - Authentication and authorization
model User {
  id                  Int      @id @default(autoincrement())
  playerId            Int      @unique
  email               String   @unique
  passwordDigest      String
  role                String   @default("player")
  confirmed           Boolean  @default(false)
  confirmationToken   String?
  confirmationSentAt  DateTime?
  resetPasswordToken  String?
  resetPasswordSentAt DateTime?
  failedLoginAttempts Int      @default(0)
  lockedUntil         DateTime?
  lastLoginAt         DateTime?
  lastLoginIp         String?
  createdAt           DateTime @default(now())
  updatedAt           DateTime @updatedAt

  player Player @relation(fields: [playerId], references: [id])

  @@map("users")
}

// Event (Tournament) Model
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?
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  // Relationships
  participants     EventParticipant[]
  teams            Team[]
  rounds           TournamentRound[]
  bracketMatchups  BracketMatchup[]
  matches          Match[]

  @@map("events")
}

// EventParticipant Model
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

  event  Event @relation(fields: [eventId], references: [id])
  player Player @relation(fields: [playerId], references: [id])
  team   Team?  @relation(fields: [teamId], references: [id])

  @@map("event_participants")
}

// Team Model
model Team {
  id          Int      @id @default(autoincrement())
  eventId     Int
  teamName    String?
  player1Id   Int
  player2Id   Int
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  // Relationships
  event              Event                 @relation(fields: [eventId], references: [id])
  player1            Player                @relation("TeamPlayer1", fields: [player1Id], references: [id])
  player2            Player                @relation("TeamPlayer2", fields: [player2Id], references: [id])
  eventParticipants  EventParticipant[]
  bracketMatchups1   BracketMatchup[]      @relation("BracketTeam1")
  bracketMatchups2   BracketMatchup[]      @relation("BracketTeam2")

  @@map("teams")
}

// TournamentRound Model
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

  event          Event    @relation(fields: [eventId], references: [id])
  bracketMatchups BracketMatchup[]

  @@map("tournament_rounds")
}

// BracketMatchup Model
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

  round      TournamentRound @relation(fields: [roundId], references: [id])
  event      Event           @relation(fields: [eventId], references: [id])
  team1      Team?           @relation("BracketTeam1", fields: [team1Id], references: [id])
  team2      Team?           @relation("BracketTeam2", fields: [team2Id], references: [id])
  match      Match?          @relation(fields: [matchId], references: [id])

  @@map("bracket_matchups")
}

// Match Model
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")
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  event       Event?   @relation(fields: [eventId], references: [id])
  team1P1     Player   @relation("MatchPlayer1", fields: [team1P1Id], references: [id])
  team1P2     Player   @relation("MatchPlayer2", fields: [team1P2Id], references: [id])
  team2P1     Player   @relation("MatchPlayer3", fields: [team2P1Id], references: [id])
  team2P2     Player   @relation("MatchPlayer4", fields: [team2P2Id], references: [id])
  eloSnapshots EloSnapshot[]
  partnershipGames PartnershipGame[]
  bracketMatchups BracketMatchup[]

  @@map("matches")
}

// EloSnapshot Model
model EloSnapshot {
  id           Int      @id @default(autoincrement())
  playerId     Int
  matchId      Int
  ratingBefore Int
  ratingAfter  Int
  ratingChange Int
  createdAt    DateTime @default(now())

  player Player @relation(fields: [playerId], references: [id])
  match  Match  @relation(fields: [matchId], references: [id])

  @@map("elo_snapshots")
}

// PartnershipGame Model - Tracks each game played by a partnership
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())

  player1 Player @relation("PartnershipPlayer1", fields: [player1Id], references: [id])
  player2 Player @relation("PartnershipPlayer2", fields: [player2Id], references: [id])
  match   Match   @relation(fields: [matchId], references: [id])

  @@map("partnership_games")
}

// PartnershipStat Model - Aggregated partnership statistics
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

  player1 Player @relation("StatPlayer1", fields: [player1Id], references: [id])
  player2 Player @relation("StatPlayer2", fields: [player2Id], references: [id])

  @@map("partnership_stats")
}