import { sql } from "drizzle-orm";
import {
  check,
  integer,
  sqliteTable,
  text,
  unique,
} from "drizzle-orm/sqlite-core";
import { projectChangeSets } from "./project-change-sets.js";
import { projects } from "./projects.js";

export const projectHistoryStackEntries = sqliteTable(
  "project_history_stack_entries",
  {
    changeSetId: text("change_set_id")
      .primaryKey()
      .references(() => projectChangeSets.id, { onDelete: "cascade" }),
    projectId: text("project_id")
      .notNull()
      .references(() => projects.id, { onDelete: "cascade" }),
    stack: text("stack").notNull(),
    position: integer("position").notNull(),
  },
  (table) => [
    check(
      "project_history_stack_entries_stack_check",
      sql`${table.stack} in ('undo', 'redo')`
    ),
    unique("project_history_stack_entries_position_unique").on(
      table.projectId,
      table.stack,
      table.position
    ),
  ]
);