import { computed, ref, watch } from 'vue';
import { defineStore } from 'pinia';
import { getCurrentPosition, getPath, getPathDetail } from '@/apiRc/service/careerPath';


export const useCareerPathStore = defineStore('career-path', () => {
    const userInfo = ref({
        userName: '',
        professions: [],
        skills: []
    });

    try {
        const data = uni.getStorageSync('userInfo');

        userInfo.value.professions = data.jobTitle.map((d) => {
            return {
                label: d,
                value: d
            };
        });
        userInfo.value.skills = data.appSkillsList.map((d) => {
            return {
                label: d.name,
                value: d.name
            };
        });
    } catch (e) {
        console.warn(e);
    }

    const professionIndex = ref(0);
    const profession = ref('');
    const professionLabel = ref('');
    const professions = ref([]);
    const professionsRef = computed(() => {
        if (!userInfo.value || !userInfo.value.professions || userInfo.value.professions.length === 0) {
            return professions.value;
        }
        const userProfessionsLabels = userInfo.value.professions.map((d) => d.label);
        let professionsA = [];
        let professionsB = [];
        professions.value.filter((d) => userProfessionsLabels.includes(d.label));
        for (const d of professions.value) {
            if (userProfessionsLabels.includes(d.label)) {
                professionsA.push(d);
            } else {
                professionsB.push(d);
            }
        }
        if (professionsA.length === 0) {
            professionsA = userInfo.value.professions;
            professionsB = professions.value;
        }
        return [ ...professionsA, ...professionsB ];
    });

    const targetCareerIndex = ref(0);
    const targetCareer = ref('');
    const targetCareerLabel = ref('');
    const paths = ref([]);
    const pathsRef = computed(() => {
        return paths.value.filter((d) => {
            return `${ d.startJobId }` === profession.value;
        });
    });

    const result = ref([]);

    const fetchData = async () => {
        try {
            const { code, msg, data } = await getCurrentPosition();
            if (code !== 0) {
                $emitter.emit('error-message', msg);
                return;
            }
            if (!data) {
                return;
            }
            professions.value = data.map((d) => {
                return {
                    label: d.name,
                    value: `${ d.jobId }`
                };
            });
        } catch (e) {
            console.warn(e);
        }
    };

    const fetchDataPath = async () => {
        try {
            const { code, msg, data } = await getPath();
            if (code !== 0) {
                $emitter.emit('error-message', msg);
                return;
            }
            if (!data) {
                return;
            }
            paths.value = data.map((d) => {
                return {
                    label: d.endJob,
                    value: `${ d.startJobId }-${ d.endJobId }`,
                    startJobId: d.startJobId
                };
            });
        } catch (e) {
            console.warn(e);
        }
    };

    const fetchResult = async () => {
        if (!targetCareer.value) {
            return;
        }
        const [ startJobId, endJobId ] = targetCareer.value.split('-');
        const params = {
            startJobId: Number(startJobId),
            endJobId: Number(endJobId)
        };
        try {
            const { code, msg, data } = await getPathDetail(params);
            if (code !== 0) {
                $emitter.emit('error-message', msg);
                return;
            }
            if (!data) {
                return;
            }
            result.value = data.map((d, i) => {
                return {
                    type: i === 0 ? 'start' : i === data.length - 1 ? 'end' : 'step',
                    step: i,
                    title: d.name,
                    tags: d.skillNameList.split(',')
                };
            });
        } catch (e) {
            console.warn(e);
        }
    };

    const eventSearch = () => {
        if (pathsRef.value.length === 0) {
            ElMessage.warning({
                message: '当前职业暂无发展路径，敬请期待！',
                duration: 5000
            });
            return;
        }
        if (!profession.value) {
            ElMessage.warning({
                message: '请选择当前职位！',
                duration: 5000
            });
            return;
        }
        if (!targetCareer.value) {
            ElMessage.warning({
                message: '请选择目标职业！',
                duration: 5000
            });
            return;
        }
        void fetchResult();
    };

    const eventProfession = (e) => {
        professionIndex.value = Number(e.detail.value);
        const item = professionsRef.value[e.detail.value]
        profession.value = item.value;
        professionLabel.value = item.label;
        targetCareer.value = '';
        targetCareerLabel.value = '';
        result.value = [];
    };

    const eventTargetCareer = (e) => {
        targetCareerIndex.value = Number(e.detail.value);
        const item = pathsRef.value[e.detail.value]
        targetCareer.value = item.value;
        targetCareerLabel.value = item.label;
        result.value = [];
    };

    void fetchData();
    void fetchDataPath();

    watch(
        () => professionsRef.value,
        () => {
            if (professionsRef.value[ 0 ]) {
                profession.value = professionsRef.value[ 0 ].value;
                professionLabel.value = professionsRef.value[ 0 ].label;
            }
        }
    );

    return {
        professionIndex,
        professionLabel,
        profession,
        professionsRef,
        targetCareerIndex,
        targetCareer,
        targetCareerLabel,
        pathsRef,
        result,
        eventProfession,
        eventTargetCareer,
        eventSearch
    };
});