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

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

model User {
    id        String   @id @default(cuid())
    email     String   @unique
    password  String?  // hashed password
    name      String?
    username  String   @unique
    role      Role     @default(GUEST)
    events    Event[]  @relation("EventCreator")
    createdAt DateTime @default(now())
}

enum Role {
    COUPLE
    PLANNER
    GUEST
}

model Event {
    id          String   @id @default(cuid())
    name        String
    date        DateTime?
    location    String?
    creator     User     @relation("EventCreator", fields: [creatorId], references: [id])
    creatorId   String
    guests      Guest[]
    eventGuests EventGuest[] 
    notes       String?
    todos        EventTodo[]
    createdAt   DateTime @default(now())
}

model Guest {
    id        String   @id @default(cuid())
    event     Event    @relation(fields: [eventId], references: [id])
    eventId   String
    name      String
    email     String?
    rsvp      RsvpStatus @default(PENDING)
}

enum RsvpStatus {
    YES
    NO
    PENDING
}

model InviteToken {
    id          String   @id @default(cuid())
    email       String   @unique
    role        Role
    token       String   @unique
    eventId     String?
    expiresAt   DateTime
    accepted    Boolean  @default(false)
    createdAt   DateTime @default(now())
}

model GuestBookEntry {
    id        String   @id @default(cuid())
    fName     String
    lName     String
    email     String?
    phone     String?
    address   String?
    notes     String?
    side      String   // e.g., "Brian", "Janice", etc.
    eventGuests    EventGuest[] 
    createdAt DateTime @default(now())
}

model EventGuest {
    id               String          @id @default(cuid())
    event            Event           @relation(fields: [eventId], references: [id])
    eventId          String
    guestBookEntry   GuestBookEntry  @relation(fields: [guestBookEntryId], references: [id])
    guestBookEntryId String
    rsvp             RsvpStatus      @default(PENDING)
    createdAt        DateTime        @default(now())

    @@unique([eventId, guestBookEntryId]) 
}

model EventTodo {
    id          String   @id @default(cuid())
    name        String
    complete    Boolean  @default(false)
    dueDate     DateTime?
    notes       String?
    event       Event    @relation(fields: [eventId], references: [id])
    eventId     String
    createdAt   DateTime @default(now())
    updatedAt   DateTime @updatedAt

    // Optional for future extensibility
    // category   String? 
    // assignedTo String? // could link to User in future
}