import {
  pgTable, pgEnum, text, boolean, integer,
  numeric, timestamp, date, unique,
  uuid,
} from 'drizzle-orm/pg-core'
import { sql } from 'drizzle-orm'

// ── better-auth managed tables ────────────────────────────────
export const user = pgTable('user', {
  id:            text('id').primaryKey(),
  name:          text('name').notNull(),
  email:         text('email').notNull().unique(),
  emailVerified: boolean('email_verified').notNull().default(false),
  image:         text('image'),
  createdAt:     timestamp('created_at').notNull(),
  updatedAt:     timestamp('updated_at').notNull(),
  // App-specific additional field
  handicapIndex: numeric('handicap_index', { precision: 4, scale: 1 }),
})

export const session = pgTable('session', {
  id:        text('id').primaryKey(),
  expiresAt: timestamp('expires_at').notNull(),
  token:     text('token').notNull().unique(),
  createdAt: timestamp('created_at').notNull(),
  updatedAt: timestamp('updated_at').notNull(),
  ipAddress: text('ip_address'),
  userAgent: text('user_agent'),
  userId:    text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
})

export const verification = pgTable('verification', {
  id:         text('id').primaryKey(),
  identifier: text('identifier').notNull(),
  value:      text('value').notNull(),
  expiresAt:  timestamp('expires_at').notNull(),
  createdAt:  timestamp('created_at'),
  updatedAt:  timestamp('updated_at'),
})

// ── App tables ────────────────────────────────────────────────
export const courses = pgTable('courses', {
  id:        uuid('id').primaryKey().default(sql`gen_random_uuid()`),
  name:      text('name').notNull(),
  par:       integer('par').notNull(),
  createdBy: text('created_by').notNull().references(() => user.id, { onDelete: 'set null' }),
  createdAt: timestamp('created_at').notNull().defaultNow(),
})

export const tees = pgTable('tees', {
  id:           uuid('id').primaryKey().default(sql`gen_random_uuid()`),
  courseId:     uuid('course_id').notNull().references(() => courses.id, { onDelete: 'cascade' }),
  name:         text('name').notNull(),
  color:        text('color').notNull().default('#888888'),
  courseRating: numeric('course_rating', { precision: 4, scale: 1 }).notNull(),
  slopeRating:  integer('slope_rating').notNull(),
  createdAt:    timestamp('created_at').notNull().defaultNow(),
})

export const holes = pgTable('holes', {
  id:          uuid('id').primaryKey().default(sql`gen_random_uuid()`),
  courseId:    uuid('course_id').notNull().references(() => courses.id, { onDelete: 'cascade' }),
  holeNumber:  integer('hole_number').notNull(),
  par:         integer('par').notNull(),
  strokeIndex: integer('stroke_index').notNull(),
}, (t) => [unique().on(t.courseId, t.holeNumber)])

export const roundStatusEnum = pgEnum('round_status', ['lobby', 'active', 'completed'])

export const rounds = pgTable('rounds', {
  id:         uuid('id').primaryKey().default(sql`gen_random_uuid()`),
  courseId:   uuid('course_id').notNull().references(() => courses.id),
  teeId:      uuid('tee_id').notNull().references(() => tees.id),
  name:       text('name'),
  date:       date('date').notNull().default(sql`current_date`),
  holesCount: integer('holes_count').notNull(),
  status:     roundStatusEnum('status').notNull().default('lobby'),
  createdBy:  text('created_by').notNull().references(() => user.id),
  createdAt:  timestamp('created_at').notNull().defaultNow(),
})

export const roundPlayers = pgTable('round_players', {
  id:             uuid('id').primaryKey().default(sql`gen_random_uuid()`),
  roundId:        uuid('round_id').notNull().references(() => rounds.id, { onDelete: 'cascade' }),
  userId:         text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  role:           text('role').notNull().default('player'),
  handicapIndex:  numeric('handicap_index', { precision: 4, scale: 1 }),
  courseHandicap: integer('course_handicap'),
  joinedAt:       timestamp('joined_at').notNull().defaultNow(),
}, (t) => [unique().on(t.roundId, t.userId)])

export const roundInvites = pgTable('round_invites', {
  id:         uuid('id').primaryKey().default(sql`gen_random_uuid()`),
  roundId:    uuid('round_id').notNull().references(() => rounds.id, { onDelete: 'cascade' }),
  email:      text('email').notNull(),
  invitedBy:  text('invited_by').notNull().references(() => user.id),
  acceptedAt: timestamp('accepted_at'),
  expiresAt:  timestamp('expires_at').notNull().default(sql`now() + interval '7 days'`),
  createdAt:  timestamp('created_at').notNull().defaultNow(),
})

export const scores = pgTable('scores', {
  id:        uuid('id').primaryKey().default(sql`gen_random_uuid()`),
  roundId:   uuid('round_id').notNull().references(() => rounds.id, { onDelete: 'cascade' }),
  holeId:    uuid('hole_id').notNull().references(() => holes.id, { onDelete: 'cascade' }),
  playerId:  text('player_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  strokes:   integer('strokes').notNull(),
  updatedBy: text('updated_by').notNull().references(() => user.id),
  updatedAt: timestamp('updated_at').notNull().defaultNow(),
}, (t) => [unique().on(t.roundId, t.holeId, t.playerId)])