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

datasource db {
  provider = "postgresql"
}

enum Role {
  PRODUCT_OWNER
  SCRUM_MASTER
  DEVELOPER
}

enum StoryStatus {
  OPEN
  IN_SPRINT
  DONE
}

enum TaskStatus {
  TO_DO
  IN_PROGRESS
  DONE
}

enum LogType {
  IMPLEMENTATION_PLAN
  TEST_RESULT
  COMMIT
}

enum TestStatus {
  PASSED
  FAILED
}

enum SprintStatus {
  ACTIVE
  COMPLETED
}

model User {
  id            String     @id @default(cuid())
  username      String     @unique
  password_hash String
  is_demo       Boolean    @default(false)
  created_at    DateTime   @default(now())
  updated_at    DateTime   @updatedAt
  roles         UserRole[]
  api_tokens    ApiToken[]
  products      Product[]
  todos         Todo[]

  @@map("users")
}

model UserRole {
  id      String @id @default(cuid())
  user    User   @relation(fields: [user_id], references: [id], onDelete: Cascade)
  user_id String
  role    Role

  @@unique([user_id, role])
  @@map("user_roles")
}

model ApiToken {
  id         String    @id @default(cuid())
  user       User      @relation(fields: [user_id], references: [id], onDelete: Cascade)
  user_id    String
  token_hash String    @unique
  label      String?
  created_at DateTime  @default(now())
  revoked_at DateTime?

  @@index([token_hash])
  @@map("api_tokens")
}

model Product {
  id                 String   @id @default(cuid())
  user               User     @relation(fields: [user_id], references: [id], onDelete: Cascade)
  user_id            String
  name               String
  description        String?
  repo_url           String?
  definition_of_done String
  archived           Boolean  @default(false)
  created_at         DateTime @default(now())
  updated_at         DateTime @updatedAt
  pbis               Pbi[]
  sprints            Sprint[]
  stories            Story[]
  todos              Todo[]

  @@unique([user_id, name])
  @@index([user_id, archived])
  @@map("products")
}

model Pbi {
  id          String   @id @default(cuid())
  product     Product  @relation(fields: [product_id], references: [id], onDelete: Cascade)
  product_id  String
  title       String
  description String?
  priority    Int
  sort_order  Float
  created_at  DateTime @default(now())
  updated_at  DateTime @updatedAt
  stories     Story[]

  @@index([product_id, priority, sort_order])
  @@map("pbis")
}

model Story {
  id                  String      @id @default(cuid())
  pbi                 Pbi         @relation(fields: [pbi_id], references: [id], onDelete: Cascade)
  pbi_id              String
  product             Product     @relation(fields: [product_id], references: [id])
  product_id          String
  sprint              Sprint?     @relation(fields: [sprint_id], references: [id])
  sprint_id           String?
  title               String
  description         String?
  acceptance_criteria String?
  priority            Int
  sort_order          Float
  status              StoryStatus @default(OPEN)
  created_at          DateTime    @default(now())
  updated_at          DateTime    @updatedAt
  logs                StoryLog[]
  tasks               Task[]

  @@index([pbi_id, priority, sort_order])
  @@index([sprint_id, sort_order])
  @@index([product_id, status])
  @@map("stories")
}

model StoryLog {
  id             String      @id @default(cuid())
  story          Story       @relation(fields: [story_id], references: [id], onDelete: Cascade)
  story_id       String
  type           LogType
  content        String
  status         TestStatus?
  commit_hash    String?
  commit_message String?
  created_at     DateTime    @default(now())

  @@index([story_id, created_at])
  @@map("story_logs")
}

model Sprint {
  id           String       @id @default(cuid())
  product      Product      @relation(fields: [product_id], references: [id], onDelete: Cascade)
  product_id   String
  sprint_goal  String
  status       SprintStatus @default(ACTIVE)
  created_at   DateTime     @default(now())
  completed_at DateTime?
  stories      Story[]
  tasks        Task[]

  @@index([product_id, status])
  @@map("sprints")
}

model Task {
  id                  String     @id @default(cuid())
  story               Story      @relation(fields: [story_id], references: [id], onDelete: Cascade)
  story_id            String
  sprint              Sprint?    @relation(fields: [sprint_id], references: [id])
  sprint_id           String?
  title               String
  description         String?
  implementation_plan String?
  priority            Int
  sort_order          Float
  status              TaskStatus @default(TO_DO)
  created_at          DateTime   @default(now())
  updated_at          DateTime   @updatedAt

  @@index([story_id, priority, sort_order])
  @@index([sprint_id, status])
  @@map("tasks")
}

model Todo {
  id         String   @id @default(cuid())
  user       User     @relation(fields: [user_id], references: [id], onDelete: Cascade)
  user_id    String
  product    Product? @relation(fields: [product_id], references: [id], onDelete: SetNull)
  product_id String?
  title      String
  done       Boolean  @default(false)
  archived   Boolean  @default(false)
  created_at DateTime @default(now())
  updated_at DateTime @updatedAt

  @@index([user_id, done, archived])
  @@index([user_id, product_id])
  @@map("todos")
}