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())

    FileUpload FileUpload[]
}

enum Role {
    COUPLE
    PLANNER
    GUEST
}

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

    FileUpload FileUpload[]
}

model Location {
    id          String  @id @default(cuid())
    name        String
    address     String
    city        String
    state       String
    postalCode  String
    country     String  @default("United States")
    phone       String?
    email       String?

    Event Event[]
}

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
    congratulated   Boolean?       
    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
}

model FileUpload {
    id              String      @id @default(cuid())
    filepath        String
    filename        String
    filetype        String
    filesize        Int     //in bytes
    uploadedAt      DateTime    @default(now())
    uploadedBy      User        @relation(fields: [uploadedById], references: [id])
    uploadedById    String
    event           Event?      @relation(fields: [eventId], references: [id])
    eventId         String?

    @@unique([filename, uploadedById])
}