import { index, integer, sqliteTable, text, uniqueIndex } from "drizzle-orm/sqlite-core";

export const users = sqliteTable("users", {
  id: text("id").primaryKey(),
  discordId: text("discord_id").notNull().unique(),
  username: text("username").notNull(),
  globalName: text("global_name"),
  avatarHash: text("avatar_hash"),
  timezone: text("timezone").notNull().default("UTC"),
  createdAt: integer("created_at").notNull(),
  updatedAt: integer("updated_at").notNull(),
});

export const sessions = sqliteTable("sessions", {
  tokenHash: text("token_hash").primaryKey(),
  userId: text("user_id").notNull().references(() => users.id, { onDelete: "cascade" }),
  createdAt: integer("created_at").notNull(),
  expiresAt: integer("expires_at").notNull(),
}, table => [
  index("sessions_user_id_idx").on(table.userId),
  index("sessions_expires_at_idx").on(table.expiresAt),
]);

export const discordDeliveries = sqliteTable("discord_deliveries", {
  id: text("id").primaryKey(),
  userId: text("user_id").notNull().references(() => users.id, { onDelete: "cascade" }),
  imageHash: text("image_hash").notNull(),
  status: text("status").notNull(),
  messageUrl: text("message_url"),
  createdAt: integer("created_at").notNull(),
});

// Revisions are append-only, including multiple edits on the same local date.
export const habits = sqliteTable('habits', {
  id: text('id').primaryKey(), userId: text('user_id').notNull().references(() => users.id),
  createdDate: text('created_date').notNull(), materializedThrough: text('materialized_through'), createdAt: integer('created_at').notNull(),
}, t => [index('habits_user_idx').on(t.userId)]);
export const habitRevisions = sqliteTable('habit_revisions', {
  id: integer('id').primaryKey({ autoIncrement: true }), habitId: text('habit_id').notNull().references(() => habits.id),
  effectiveDate: text('effective_date').notNull(), config: text('config', { mode: 'json' }).$type<import('../habits/contracts').HabitConfig>().notNull(), createdAt: integer('created_at').notNull(),
}, t => [index('habit_revisions_date_idx').on(t.habitId, t.effectiveDate, t.id)]);
export const habitDays = sqliteTable('habit_days', {
  id: integer('id').primaryKey({ autoIncrement: true }), habitId: text('habit_id').notNull().references(() => habits.id),
  revisionId: integer('revision_id').notNull().references(() => habitRevisions.id), date: text('date').notNull(),
  timezone: text('timezone').notNull(), endsAt: integer('ends_at').notNull(), countSet: integer('count_set', { mode: 'boolean' }).notNull().default(false), count: integer('count').notNull().default(0), done: integer('done', { mode: 'boolean' }).notNull().default(false),
}, t => [index('habit_days_lookup_idx').on(t.habitId, t.date, t.revisionId)]);
export const taskOccurrences = sqliteTable('task_occurrences', {
  id: text('id').primaryKey(), dayId: integer('day_id').notNull().references(() => habitDays.id), taskId: text('task_id').notNull(), name: text('name').notNull(),
  done: integer('done', { mode: 'boolean' }).notNull().default(false), expiredAt: integer('expired_at'), closedAt: integer('closed_at'), updatedAt: integer('updated_at').notNull(),
}, t => [index('task_occurrences_day_idx').on(t.dayId)]);
export const progressEvents = sqliteTable('progress_events', {
  id: integer('id').primaryKey({ autoIncrement: true }), dayId: integer('day_id').notNull().references(() => habitDays.id), occurrenceId: text('occurrence_id'),
  before: text('before', { mode: 'json' }).$type<unknown>().notNull(), after: text('after', { mode: 'json' }).$type<unknown>().notNull(), createdAt: integer('created_at').notNull(),
}, t => [index('progress_events_day_idx').on(t.dayId)]);
export const habitCalendarSettings = sqliteTable('habit_calendar_settings', {
  habitId: text('habit_id').primaryKey().references(() => habits.id), settings: text('settings', { mode: 'json' }).$type<import('../habits/contracts').CalendarSettings>().notNull(),
});
export const combinedCharts = sqliteTable('combined_charts', {
  id: text('id').primaryKey(), userId: text('user_id').notNull().references(() => users.id), name: text('name').notNull(),
  habitIds: text('habit_ids', { mode: 'json' }).$type<string[]>().notNull(), settings: text('settings', { mode: 'json' }).$type<import('../habits/contracts').CalendarSettings>().notNull(),
  createdAt: integer('created_at').notNull(), updatedAt: integer('updated_at').notNull(),
}, t => [index('combined_charts_user_idx').on(t.userId)]);

export const sharingLimits = sqliteTable('sharing_limits', {
  key: text('key').primaryKey(),
  startedAt: integer('started_at').notNull(),
  count: integer('count').notNull(),
});

export const reminderSettings = sqliteTable('reminder_settings', {
  userId: text('user_id').primaryKey().references(() => users.id, { onDelete: 'cascade' }),
  enabled: integer('enabled', { mode: 'boolean' }).notNull().default(false),
  time: text('time').notNull().default('20:00'),
  quietStart: text('quiet_start').notNull().default('22:00'),
  quietEnd: text('quiet_end').notNull().default('08:00'),
  updatedAt: integer('updated_at').notNull(),
});
export const reminderDeliveries = sqliteTable('reminder_deliveries', {
  id: text('id').primaryKey(),
  userId: text('user_id').notNull().references(() => users.id, { onDelete: 'cascade' }),
  date: text('date').notNull(), status: text('status').notNull(),
  retryAt: integer('retry_at'), updatedAt: integer('updated_at').notNull(),
}, t => [uniqueIndex('reminder_deliveries_user_date_idx').on(t.userId, t.date)]);
export const reminderWorkerState = sqliteTable('reminder_worker_state', {
  id: text('id').primaryKey(), blockedUntil: integer('blocked_until').notNull(),
});

export const liveDiscordCards = sqliteTable('live_discord_cards', {
  userId: text('user_id').primaryKey().references(() => users.id, { onDelete: 'cascade' }),
  channelId: text('channel_id').notNull(),
  messageId: text('message_id'),
  messageUrl: text('message_url'),
  nonce: text('nonce').notNull(),
  theme: text('theme').$type<import('../lib/theme').Theme>().notNull(),
  status: text('status').$type<'active' | 'paused' | 'sending' | 'uncertain' | 'error'>().notNull(),
  imageHash: text('image_hash'),
  dirty: integer('dirty', { mode: 'boolean' }).notNull().default(true),
  error: text('error'),
  retryAt: integer('retry_at'),
  updatedAt: integer('updated_at').notNull(),
});