import { Alllibs } from "../types";

function varClone(val) {
    if (val && typeof val === 'object') {
        try {
            return JSON.parse(JSON.stringify(val))
        } catch (ex) {
            return val
        }
    }
    return val
}

export default function injectCom(allLibs: Alllibs) {
    allLibs['mybricks.core-comlib.fn@1.0.0'] = {
        namespace: 'mybricks.core-comlib.fn',
        runtime: () => { },
        version: '1.0.0',
    }
    allLibs['mybricks.core-comlib.var@1.0.0'] = {
        namespace: 'mybricks.core-comlib.var',
        runtime: ({ data, outputs, inputs }) => {
            inputs['get']((val, relOutpus) => {
                relOutpus['return'](varClone(data.val));
            });

            inputs['set']((val) => {
                data.val = val;
                outputs['changed'](varClone(val));
            });
        },
        version: '1.0.0',
    }
    allLibs['mybricks.core-comlib.module@1.0.0'] = {
        namespace: 'mybricks.core-comlib.module',
        runtime: ({ slots }) => {
            const names = Object.keys(slots);
            const slotName = names[0];

            return slots[slotName].render(null, slotName);
        },
        version: '1.0.0',
    }
    allLibs['mybricks.core-comlib.frame-output@1.0.0'] = {
        namespace: 'mybricks.core-comlib.frame-output',
        runtime: () => { },
        version: '1.0.0',
    }
    allLibs['mybricks.core-comlib.type-change@1.0.0'] = {
        namespace: 'mybricks.core-comlib.type-change',
        runtime: ({ data, outputs, inputs, onError }) => {
            inputs['from']((val, relOutpus) => {
                const script = data.exchange && data.exchange.script
                if (script) {
                    let fn, returnVal, isOk

                    try {
                        eval(`fn = ${script}`)
                        returnVal = fn(val)
                        isOk = true
                    } catch (ex) {
                        onError(`数据转换错误:${ex.message}`)
                    }

                    if (isOk) {
                        outputs['to'](returnVal)
                    }
                } else {
                    onError('未配置转换规则')
                }
            })
        },
        version: '1.0.0',
    }
    return allLibs;
}