import {
  sqliteTable,
  text,
  integer,
  real,
  primaryKey,
  foreignKey,
  index,
} from "drizzle-orm/sqlite-core";
import { nanoid } from "nanoid";

export const users = sqliteTable("users", {
  id: text("id")
    .primaryKey()
    .$defaultFn(() => nanoid()),
  email: text("email").notNull().unique(),
  passwordHash: text("password_hash").notNull(),
  name: text("name").notNull(),
  isSiteAdmin: integer("is_site_admin", { mode: "boolean" }).default(false),
  createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
    () => new Date(),
  ),
});

export const organizations = sqliteTable("organizations", {
  id: text("id")
    .primaryKey()
    .$defaultFn(() => nanoid()),
  name: text("name").notNull(),
  logoUrl: text("logo_url"),
  street: text("street"),
  city: text("city"),
  state: text("state"),
  zip: text("zip"),
  country: text("country"),
  createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
    () => new Date(),
  ),
});

export const members = sqliteTable(
  "members",
  {
    userId: text("user_id").notNull(),
    organizationId: text("organization_id").notNull(),
    role: text("role").notNull().default("member"), // 'owner', 'admin', 'member'
    joinedAt: integer("joined_at", { mode: "timestamp" }).$defaultFn(
      () => new Date(),
    ),
  },
  (table: any) => ({
    pk: primaryKey({ columns: [table.userId, table.organizationId] }),
    userFk: foreignKey({
      columns: [table.userId],
      foreignColumns: [users.id],
    }),
    orgFk: foreignKey({
      columns: [table.organizationId],
      foreignColumns: [organizations.id],
    }),
    userIdIdx: index("members_user_id_idx").on(table.userId),
    organizationIdIdx: index("members_organization_id_idx").on(
      table.organizationId,
    ),
  }),
);

export const clients = sqliteTable(
  "clients",
  {
    id: text("id")
      .primaryKey()
      .$defaultFn(() => nanoid()),
    organizationId: text("organization_id").notNull(),
    name: text("name").notNull(),
    email: text("email"),
    phone: text("phone"),
    street: text("street"),
    city: text("city"),
    state: text("state"),
    zip: text("zip"),
    country: text("country"),
    createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
      () => new Date(),
    ),
  },
  (table: any) => ({
    orgFk: foreignKey({
      columns: [table.organizationId],
      foreignColumns: [organizations.id],
    }),
    organizationIdIdx: index("clients_organization_id_idx").on(
      table.organizationId,
    ),
  }),
);

export const categories = sqliteTable(
  "categories",
  {
    id: text("id")
      .primaryKey()
      .$defaultFn(() => nanoid()),
    organizationId: text("organization_id").notNull(),
    name: text("name").notNull(),
    color: text("color"),
    createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
      () => new Date(),
    ),
  },
  (table: any) => ({
    orgFk: foreignKey({
      columns: [table.organizationId],
      foreignColumns: [organizations.id],
    }),
    organizationIdIdx: index("categories_organization_id_idx").on(
      table.organizationId,
    ),
  }),
);

export const timeEntries = sqliteTable(
  "time_entries",
  {
    id: text("id")
      .primaryKey()
      .$defaultFn(() => nanoid()),
    userId: text("user_id").notNull(),
    organizationId: text("organization_id").notNull(),
    clientId: text("client_id").notNull(),
    categoryId: text("category_id").notNull(),
    startTime: integer("start_time", { mode: "timestamp" }).notNull(),
    endTime: integer("end_time", { mode: "timestamp" }),
    description: text("description"),
    isManual: integer("is_manual", { mode: "boolean" }).default(false),
    createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
      () => new Date(),
    ),
  },
  (table: any) => ({
    userFk: foreignKey({
      columns: [table.userId],
      foreignColumns: [users.id],
    }),
    orgFk: foreignKey({
      columns: [table.organizationId],
      foreignColumns: [organizations.id],
    }),
    clientFk: foreignKey({
      columns: [table.clientId],
      foreignColumns: [clients.id],
    }),
    categoryFk: foreignKey({
      columns: [table.categoryId],
      foreignColumns: [categories.id],
    }),
    userIdIdx: index("time_entries_user_id_idx").on(table.userId),
    organizationIdIdx: index("time_entries_organization_id_idx").on(
      table.organizationId,
    ),
    clientIdIdx: index("time_entries_client_id_idx").on(table.clientId),
    startTimeIdx: index("time_entries_start_time_idx").on(table.startTime),
  }),
);

export const tags = sqliteTable(
  "tags",
  {
    id: text("id")
      .primaryKey()
      .$defaultFn(() => nanoid()),
    organizationId: text("organization_id").notNull(),
    name: text("name").notNull(),
    color: text("color"),
    createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
      () => new Date(),
    ),
  },
  (table: any) => ({
    orgFk: foreignKey({
      columns: [table.organizationId],
      foreignColumns: [organizations.id],
    }),
    organizationIdIdx: index("tags_organization_id_idx").on(
      table.organizationId,
    ),
  }),
);

export const timeEntryTags = sqliteTable(
  "time_entry_tags",
  {
    timeEntryId: text("time_entry_id").notNull(),
    tagId: text("tag_id").notNull(),
  },
  (table: any) => ({
    pk: primaryKey({ columns: [table.timeEntryId, table.tagId] }),
    timeEntryFk: foreignKey({
      columns: [table.timeEntryId],
      foreignColumns: [timeEntries.id],
    }),
    tagFk: foreignKey({
      columns: [table.tagId],
      foreignColumns: [tags.id],
    }),
    timeEntryIdIdx: index("time_entry_tags_time_entry_id_idx").on(
      table.timeEntryId,
    ),
    tagIdIdx: index("time_entry_tags_tag_id_idx").on(table.tagId),
  }),
);

export const sessions = sqliteTable(
  "sessions",
  {
    id: text("id").primaryKey(),
    userId: text("user_id").notNull(),
    expiresAt: integer("expires_at", { mode: "timestamp" }).notNull(),
  },
  (table: any) => ({
    userFk: foreignKey({
      columns: [table.userId],
      foreignColumns: [users.id],
    }),
    userIdIdx: index("sessions_user_id_idx").on(table.userId),
  }),
);

export const siteSettings = sqliteTable("site_settings", {
  id: text("id")
    .primaryKey()
    .$defaultFn(() => nanoid()),
  key: text("key").notNull().unique(),
  value: text("value").notNull(),
  updatedAt: integer("updated_at", { mode: "timestamp" }).$defaultFn(
    () => new Date(),
  ),
});

export const apiTokens = sqliteTable(
  "api_tokens",
  {
    id: text("id")
      .primaryKey()
      .$defaultFn(() => nanoid()),
    userId: text("user_id").notNull(),
    name: text("name").notNull(),
    token: text("token").notNull().unique(),
    scopes: text("scopes").notNull().default("*"),
    lastUsedAt: integer("last_used_at", { mode: "timestamp" }),
    createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
      () => new Date(),
    ),
  },
  (table: any) => ({
    userFk: foreignKey({
      columns: [table.userId],
      foreignColumns: [users.id],
    }),
    userIdIdx: index("api_tokens_user_id_idx").on(table.userId),
  }),
);

export const invoices = sqliteTable(
  "invoices",
  {
    id: text("id")
      .primaryKey()
      .$defaultFn(() => nanoid()),
    organizationId: text("organization_id").notNull(),
    clientId: text("client_id").notNull(),
    number: text("number").notNull(),
    type: text("type").notNull().default("invoice"), // 'invoice' or 'quote'
    status: text("status").notNull().default("draft"), // 'draft', 'sent', 'paid', 'void', 'accepted', 'declined'
    issueDate: integer("issue_date", { mode: "timestamp" }).notNull(),
    dueDate: integer("due_date", { mode: "timestamp" }).notNull(),
    notes: text("notes"),
    currency: text("currency").default("USD").notNull(),
    subtotal: integer("subtotal").notNull().default(0), // in cents
    taxRate: real("tax_rate").default(0), // percentage
    taxAmount: integer("tax_amount").notNull().default(0), // in cents
    total: integer("total").notNull().default(0), // in cents
    createdAt: integer("created_at", { mode: "timestamp" }).$defaultFn(
      () => new Date(),
    ),
  },
  (table: any) => ({
    orgFk: foreignKey({
      columns: [table.organizationId],
      foreignColumns: [organizations.id],
    }),
    clientFk: foreignKey({
      columns: [table.clientId],
      foreignColumns: [clients.id],
    }),
    organizationIdIdx: index("invoices_organization_id_idx").on(
      table.organizationId,
    ),
    clientIdIdx: index("invoices_client_id_idx").on(table.clientId),
  }),
);

export const invoiceItems = sqliteTable(
  "invoice_items",
  {
    id: text("id")
      .primaryKey()
      .$defaultFn(() => nanoid()),
    invoiceId: text("invoice_id").notNull(),
    description: text("description").notNull(),
    quantity: real("quantity").notNull().default(1),
    unitPrice: integer("unit_price").notNull().default(0), // in cents
    amount: integer("amount").notNull().default(0), // in cents
  },
  (table: any) => ({
    invoiceFk: foreignKey({
      columns: [table.invoiceId],
      foreignColumns: [invoices.id],
    }),
    invoiceIdIdx: index("invoice_items_invoice_id_idx").on(table.invoiceId),
  }),
);