Generated by XState Viz: https://xstate.js.org/viz

machine.js

const careplanMachine = Machine(
    {
        id: "careplan",
        key: "careplan",
        initial: "onboarding",
        states: {
            onboarding: {
                on: {
                    REDUCE_WEIGHT: "reduce_weight",
                    SLEEP_ENHANCEMENT: "sleep_enhancement"
                }
            },
            reduce_weight: {
                   id: "reduce_weight",
    key: "reduce_weight",
    type: "parallel",
    states: {
        recipe: {
                id: "recipe",
    key: "recipe",
    initial: "show_recipe",
    states: {
        show_recipe: {
            entry: ["refresh"],
            meta: {
                refresh_hour: "8"
            },
            on: {
                REFRESH: "show_recipe"
            }
        }
    }

        },
        blood_sugar_survey: {
                id: "blood_sugar_survey",
    key: "blood_sugar_survey",
    initial: "input",
    states: {
        input: {
            on: {
                OVER_500: "over_500",
                UNDER_500: "under_500"
            }
            // needs action to notify in 2 days
        },
        over_500: {
            meta: {
                content: "Call a doctor!"
            },
            on: {
                DONE: "wait_for_next_day"
            }
        },
        under_500: {
            meta: {
                content: "Bloodsugar information"
            },
            on: {
                DONE: "wait_for_next_day"
            }
        },
        wait_for_next_day: {
            entry: ["repeat"],
            meta: {
                interval: "0 10 * * *", // every day at 10AM
                event: "WAITED,"
            },
            on: {
                WAITED: "input"
            }
        }
    }

        },
        research: {
            initial: "show_video",
            states: {
                show_video: {
                    type: "final",
                    meta: {
                        content: "videourl"
                    }
                }
            }
        }
    }

            },
            sleep_enhancement: {
                    id: "sleep_enhancement",
    key: "sleep_enhancement",
    type: "parallel",
    states: {
        content: {
            initial: "show_content",
            states: {
                show_content: {
                    entry: ["notify", "refresh"],
                    exit: ["cancel_notify"],
                    meta: {
                        notify_hour: "22",
                        refresh_hour: "20",
                        // needs some meta data to choose from contents
                    },
                    on: {
                        REFRESH: "refresh"
                    }
                },
                refresh: {
                    on: {
                        "": "show_content"
                    }
                }
            }
        },
        blood_sugar_survey: {
                id: "blood_sugar_survey",
    key: "blood_sugar_survey",
    initial: "input",
    states: {
        input: {
            on: {
                OVER_500: "over_500",
                UNDER_500: "under_500"
            }
            // needs action to notify in 2 days
        },
        over_500: {
            meta: {
                content: "Call a doctor!"
            },
            on: {
                DONE: "wait_for_next_day"
            }
        },
        under_500: {
            meta: {
                content: "Bloodsugar information"
            },
            on: {
                DONE: "wait_for_next_day"
            }
        },
        wait_for_next_day: {
            entry: ["repeat"],
            meta: {
                interval: "0 10 * * *", // every day at 10AM
                event: "WAITED,"
            },
            on: {
                WAITED: "input"
            }
        }
    }

        },
        wellbeing_survey: {
                id: "wellbeing_survey",
    key: "wellbeing_survey",
    initial: "how_are_you",
    states: {
        how_are_you: {
            on: {
                GOOD: "good",
                bad: "bad"
            }
            // needs action to notify in 2 weeks
        },
        good: {
            type: "final",
            meta: {
                content: "Great, you are healthy"
            }
        },
        bad: {
            on: {
                FEET: "feet",
                HEAD: "head"
            }
        },
        feet: {
            on: {
                PAIN: "pain",
                NO_PAIN: "no_pain"
            }
        },
        head: {
            on: {
                PAIN: "pain",
                NO_PAIN: "no_pain"
            }
        },
        pain: {
            type: "final",
            meta: {
                content: "Call a doctor"
            }
        },
        no_pain: {
            type: "final",
            meta: {
                content: "Not so bad"
            }
        }
    }

            // action to repeat every week
            // after 2 weeks: sms
        }
    }

            }
        }
    },
    {
        actions: {
            notify: (context, user_id) => {
                // maybe a crontab string?
                const when = Object.values(context.meta)[0].notify_hour;
                console.log(`INVOKE SERVICE TO NOTIFY AT ${when} O'CLOCK`);
            },
            refresh: (context, user_id) => {
                // maybe a crontab string?
                const when = Object.values(context.meta)[0].refresh_hour;
                console.log(`INVOKE SERVICE TO REFRESH AT ${when} O'CLOCK`);
            },
            cancel_notify: (context, user_id) => {
                console.log("INVOKE SERVICE TO CANCEL THE FORMER NOTIFICATION");
                // How to identify notifications?
            },
            repeat: (context, user_id) => {
                const metaData = Object.values(context.meta)[0];

                // maybe a crontab string?
                const interval = metaData.interval;
                const message = metaData.message;
                console.log(`INVOKE SERVICE TO REPEAT ${interval} AND SEND ${message} TO FSM`);
            }
        }
    }
);