Take restaurant orders and update inventory through WhatsApp

flowchart TD trig>"customer sends whatsapp message"]:::trig s0["receive customer message"]:::svc s1["classify request complexity"]:::task trig --> s0 s0 --> s1 gx{"× is the request simple or complex"}:::gate s1 --> gx p00["send instant menu reply"]:::task gx -->|"simple question"| p00 p10["check menu stock and history"]:::task gx -->|"complex order"| p10 p11["place order and deduct stock"]:::task p10 --> p11 p00 --> out p11 --> out out[/"order confirmed and stock updated"/]:::out pay{{"handles orders and stock any time of day"}}:::pay out --> pay esc(("Alerts a person")):::human s1 -. "if it fails" .-> esc esc -.-> out classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff