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

export const user = sqliteTable("user", {
  id: text("id").primaryKey(),
  name: text("name").notNull(),
  email: text("email").notNull().unique(),
  emailVerified: integer("email_verified", { mode: "boolean" })
    .default(false)
    .notNull(),
  image: text("image"),
  createdAt: integer("created_at", { mode: "timestamp_ms" })
    .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
    .notNull(),
  updatedAt: integer("updated_at", { mode: "timestamp_ms" })
    .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
    .$onUpdate(() => /* @__PURE__ */ new Date())
    .notNull(),
  analyticsOptedOut: integer("analytics_opted_out", { mode: "boolean" }),
});

export const session = sqliteTable(
  "session",
  {
    id: text("id").primaryKey(),
    expiresAt: integer("expires_at", { mode: "timestamp_ms" }).notNull(),
    token: text("token").notNull().unique(),
    createdAt: integer("created_at", { mode: "timestamp_ms" })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .notNull(),
    updatedAt: integer("updated_at", { mode: "timestamp_ms" })
      .$onUpdate(() => /* @__PURE__ */ new Date())
      .notNull(),
    ipAddress: text("ip_address"),
    userAgent: text("user_agent"),
    userId: text("user_id")
      .notNull()
      .references(() => user.id, { onDelete: "cascade" }),
    activeOrganizationId: text("active_organization_id"),
  },
  (table) => [index("session_userId_idx").on(table.userId)],
);

export const account = sqliteTable(
  "account",
  {
    id: text("id").primaryKey(),
    accountId: text("account_id").notNull(),
    providerId: text("provider_id").notNull(),
    userId: text("user_id")
      .notNull()
      .references(() => user.id, { onDelete: "cascade" }),
    accessToken: text("access_token"),
    refreshToken: text("refresh_token"),
    idToken: text("id_token"),
    accessTokenExpiresAt: integer("access_token_expires_at", {
      mode: "timestamp_ms",
    }),
    refreshTokenExpiresAt: integer("refresh_token_expires_at", {
      mode: "timestamp_ms",
    }),
    scope: text("scope"),
    password: text("password"),
    createdAt: integer("created_at", { mode: "timestamp_ms" })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .notNull(),
    updatedAt: integer("updated_at", { mode: "timestamp_ms" })
      .$onUpdate(() => /* @__PURE__ */ new Date())
      .notNull(),
  },
  (table) => [
    index("account_userId_idx").on(table.userId),
    // better-auth looks up accounts by (accountId, providerId) on every
    // credential/OAuth sign-in; without this it seq-scans the account table.
    index("account_accountId_providerId_idx").on(
      table.accountId,
      table.providerId,
    ),
  ],
);

export const verification = sqliteTable(
  "verification",
  {
    id: text("id").primaryKey(),
    identifier: text("identifier").notNull(),
    value: text("value").notNull(),
    expiresAt: integer("expires_at", { mode: "timestamp_ms" }).notNull(),
    createdAt: integer("created_at", { mode: "timestamp_ms" })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .notNull(),
    updatedAt: integer("updated_at", { mode: "timestamp_ms" })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .$onUpdate(() => /* @__PURE__ */ new Date())
      .notNull(),
  },
  (table) => [
    index("verification_identifier_idx").on(table.identifier),
    // better-auth's periodic cleanup deletes rows via `expires_at < now()`,
    // a range scan that seq-scans the whole table without this index.
    index("verification_expiresAt_idx").on(table.expiresAt),
  ],
);

export const organization = sqliteTable(
  "organization",
  {
    id: text("id").primaryKey(),
    name: text("name").notNull(),
    slug: text("slug").notNull().unique(),
    logo: text("logo"),
    createdAt: integer("created_at", { mode: "timestamp_ms" }).notNull(),
    metadata: text("metadata"),
  },
  (table) => [uniqueIndex("organization_slug_uidx").on(table.slug)],
);

export const member = sqliteTable(
  "member",
  {
    id: text("id").primaryKey(),
    organizationId: text("organization_id")
      .notNull()
      .references(() => organization.id, { onDelete: "cascade" }),
    userId: text("user_id")
      .notNull()
      .references(() => user.id, { onDelete: "cascade" }),
    role: text("role").default("member").notNull(),
    createdAt: integer("created_at", { mode: "timestamp_ms" }).notNull(),
  },
  (table) => [
    index("member_organizationId_idx").on(table.organizationId),
    index("member_userId_idx").on(table.userId),
  ],
);

export const invitation = sqliteTable(
  "invitation",
  {
    id: text("id").primaryKey(),
    organizationId: text("organization_id")
      .notNull()
      .references(() => organization.id, { onDelete: "cascade" }),
    email: text("email").notNull(),
    role: text("role"),
    status: text("status").default("pending").notNull(),
    expiresAt: integer("expires_at", { mode: "timestamp_ms" }).notNull(),
    createdAt: integer("created_at", { mode: "timestamp_ms" })
      .default(sql`(cast(unixepoch('subsecond') * 1000 as integer))`)
      .notNull(),
    inviterId: text("inviter_id")
      .notNull()
      .references(() => user.id, { onDelete: "cascade" }),
  },
  (table) => [
    index("invitation_organizationId_idx").on(table.organizationId),
    index("invitation_email_idx").on(table.email),
  ],
);

export const apikey = sqliteTable(
  "apikey",
  {
    id: text("id").primaryKey(),
    configId: text("config_id").default("default").notNull(),
    name: text("name"),
    start: text("start"),
    prefix: text("prefix"),
    key: text("key").notNull(),
    referenceId: text("reference_id").notNull(),
    refillInterval: integer("refill_interval"),
    refillAmount: integer("refill_amount"),
    lastRefillAt: integer("last_refill_at", { mode: "timestamp_ms" }),
    enabled: integer("enabled", { mode: "boolean" }).default(true),
    rateLimitEnabled: integer("rate_limit_enabled", {
      mode: "boolean",
    }).default(true),
    rateLimitTimeWindow: integer("rate_limit_time_window").default(60000),
    rateLimitMax: integer("rate_limit_max").default(120),
    requestCount: integer("request_count").default(0),
    remaining: integer("remaining"),
    lastRequest: integer("last_request", { mode: "timestamp_ms" }),
    expiresAt: integer("expires_at", { mode: "timestamp_ms" }),
    createdAt: integer("created_at", { mode: "timestamp_ms" }).notNull(),
    updatedAt: integer("updated_at", { mode: "timestamp_ms" }).notNull(),
    permissions: text("permissions"),
    metadata: text("metadata"),
  },
  (table) => [
    index("apikey_configId_idx").on(table.configId),
    index("apikey_referenceId_idx").on(table.referenceId),
    index("apikey_key_idx").on(table.key),
  ],
);

export const userRelations = relations(user, ({ many }) => ({
  sessions: many(session),
  accounts: many(account),
  members: many(member),
  invitations: many(invitation),
}));

export const sessionRelations = relations(session, ({ one }) => ({
  user: one(user, {
    fields: [session.userId],
    references: [user.id],
  }),
}));

export const accountRelations = relations(account, ({ one }) => ({
  user: one(user, {
    fields: [account.userId],
    references: [user.id],
  }),
}));

export const organizationRelations = relations(organization, ({ many }) => ({
  members: many(member),
  invitations: many(invitation),
}));

export const memberRelations = relations(member, ({ one }) => ({
  organization: one(organization, {
    fields: [member.organizationId],
    references: [organization.id],
  }),
  user: one(user, {
    fields: [member.userId],
    references: [user.id],
  }),
}));

export const invitationRelations = relations(invitation, ({ one }) => ({
  organization: one(organization, {
    fields: [invitation.organizationId],
    references: [organization.id],
  }),
  user: one(user, {
    fields: [invitation.inviterId],
    references: [user.id],
  }),
}));