-- ═══════════════════════════════════════════════════════════════════════════
-- AAMOS Admin v2 — Notifications & Reports Schema
-- ═══════════════════════════════════════════════════════════════════════════

-- ── Notifications ──────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS notifications (
  id                  UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  type                TEXT NOT NULL, -- 'lead'|'invoice'|'payment'|'ticket'|'employee'|'contract'|'system'
  title               TEXT NOT NULL,
  message             TEXT NOT NULL,
  entity_type         TEXT, -- 'customer'|'invoice'|'ticket'|'lead'|'employee'|'contract'
  entity_id           UUID,
  priority            TEXT NOT NULL DEFAULT 'normal', -- 'low'|'normal'|'high'|'urgent'
  read_at             TIMESTAMPTZ,
  created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_notifications_read ON notifications (read_at);
CREATE INDEX IF NOT EXISTS idx_notifications_type ON notifications (type);
CREATE INDEX IF NOT EXISTS idx_notifications_created ON notifications (created_at DESC);

-- ── Notification Settings ──────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS notification_settings (
  id                  INTEGER PRIMARY KEY DEFAULT 1,
  settings            JSONB NOT NULL DEFAULT '{
    "email_notifications": true,
    "push_notifications": true,
    "notify_on_new_lead": true,
    "notify_on_new_invoice": true,
    "notify_on_overdue_invoice": true,
    "notify_on_new_ticket": true,
    "notify_on_ticket_assigned": true,
    "notify_on_new_employee": true,
    "notify_on_contract_ending": true,
    "daily_summary": true,
    "weekly_summary": true
  }',
  updated_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

INSERT INTO notification_settings (id) VALUES (1) ON CONFLICT (id) DO NOTHING;

-- ── Module Settings ────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS module_settings (
  id                  UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  module              TEXT NOT NULL UNIQUE, -- 'crm'|'billing'|'ledger'|'support'|'hr'|'mail'|'automations'
  settings            JSONB NOT NULL DEFAULT '{}',
  updated_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Insert default settings for each module
INSERT INTO module_settings (module, settings) VALUES
  ('crm', '{
    "auto_convert_leads": false,
    "lead_assignment": "manual",
    "default_customer_type": "company",
    "require_org_nr": true
  }'),
  ('billing', '{
    "default_payment_terms": 30,
    "default_vat_rate": 25,
    "invoice_prefix": "F-",
    "reminder_fee": 60,
    "interest_rate": 8
  }'),
  ('ledger', '{
    "fiscal_year_start": "01-01",
    "base_currency": "SEK",
    "auto_reconcile": false,
    "require_approval": true
  }'),
  ('support', '{
    "auto_assign": false,
    "default_priority": "medium",
    "sla_response_hours": 24,
    "sla_resolution_hours": 72
  }'),
  ('hr', '{
    "probation_months": 6,
    "vacation_days": 25,
    "sick_days": 14,
    "notice_period_months": 3
  }'),
  ('mail', '{
    "auto_create_leads": true,
    "forward_to_support": false,
    "archive_after_days": 90
  }'),
  ('automations', '{
    "max_retries": 3,
    "retry_interval_minutes": 60,
    "log_retention_days": 30
  }')
ON CONFLICT (module) DO NOTHING;

-- ── Scheduled Reports ──────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS scheduled_reports (
  id                  UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  name                TEXT NOT NULL,
  report_type         TEXT NOT NULL,
  frequency           TEXT NOT NULL, -- 'daily'|'weekly'|'monthly'|'quarterly'
  recipients          TEXT[] NOT NULL DEFAULT '{}',
  last_run_at         TIMESTAMPTZ,
  next_run_at         TIMESTAMPTZ,
  is_active           BOOLEAN NOT NULL DEFAULT TRUE,
  created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- ── Report History ─────────────────────────────────────────────────────────
CREATE TABLE IF NOT EXISTS report_history (
  id                  UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  report_name         TEXT NOT NULL,
  report_type         TEXT NOT NULL,
  parameters          JSONB NOT NULL DEFAULT '{}',
  result_url          TEXT,
  status              TEXT NOT NULL DEFAULT 'completed', -- 'running'|'completed'|'failed'
  error_message       TEXT,
  created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  completed_at        TIMESTAMPTZ
);

CREATE INDEX IF NOT EXISTS idx_report_history_type ON report_history (report_type);
CREATE INDEX IF NOT EXISTS idx_report_history_created ON report_history (created_at DESC);