-- User statuses per organization
CREATE TABLE IF NOT EXISTS "user_statuses" (
  "id" SERIAL PRIMARY KEY,
  "organization_id" INTEGER NOT NULL REFERENCES "organizations"("id") ON DELETE CASCADE,
  "name" VARCHAR(100) NOT NULL,
  "color" VARCHAR(7) DEFAULT '#e5e7eb',
  "is_default" BOOLEAN DEFAULT FALSE,
  "position" INTEGER DEFAULT 0,
  "created_at" TIMESTAMP DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS "idx_user_statuses_organization_id" ON "user_statuses"("organization_id");
CREATE UNIQUE INDEX IF NOT EXISTS "idx_user_statuses_organization_default" ON "user_statuses"("organization_id") WHERE "is_default" = TRUE;

ALTER TABLE "users" ADD COLUMN IF NOT EXISTS "status_id" INTEGER REFERENCES "user_statuses"("id") ON DELETE SET NULL;
CREATE INDEX IF NOT EXISTS "idx_users_status_id" ON "users"("status_id");

-- Backfill default status for existing organizations
INSERT INTO "user_statuses" ("organization_id", "name", "color", "is_default", "position")
SELECT id, 'Зарегистрирован', '#e5e7eb', TRUE, 0
FROM "organizations"
ON CONFLICT DO NOTHING;

UPDATE "users" u
SET "status_id" = (
  SELECT s.id FROM "user_statuses" s
  WHERE s.organization_id = u.organization_id AND s.is_default = TRUE
  LIMIT 1
)
WHERE u.status_id IS NULL;