apiVersion: capability.naftiko.dev/v1alpha1
kind: Capability
metadata:
  name: treasury-reporting
  provider: currencylayer
  description: |
    Generate a treasury-style daily FX exposure report: pull a window of daily
    rates for the reporting period via /timeframe, summarize per-currency
    change via /change, and publish a normalized report ready for downstream
    accounting systems.
spec:
  uses:
    - sharedCapability: currencylayer-shared
      operations: [getTimeFrame, getChange, listCurrencies]
  preconditions:
    - description: Caller subscription must include /timeframe (Enterprise) and /change (Enterprise Plus).
  workflow:
    - step: discoverSymbols
      operation: listCurrencies
      purpose: Materialize the supported symbol set used to validate report inputs.
    - step: pullDailyRates
      operation: getTimeFrame
      parameters:
        start_date: "{{ input.start_date }}"
        end_date: "{{ input.end_date }}"
        source: "{{ input.source | default: 'USD' }}"
        currencies: "{{ input.currencies }}"
    - step: summarizeChange
      operation: getChange
      parameters:
        start_date: "{{ input.start_date }}"
        end_date: "{{ input.end_date }}"
        source: "{{ input.source | default: 'USD' }}"
        currencies: "{{ input.currencies }}"
  outputs:
    dailyQuotes: "{{ pullDailyRates.quotes }}"
    change: "{{ summarizeChange.quotes }}"
    reportingWindow:
      start: "{{ input.start_date }}"
      end: "{{ input.end_date }}"
      source: "{{ input.source | default: 'USD' }}"
  governance:
    minPlan: "Enterprise Plus"
    httpsRequired: true
    cadence: Daily