import { w2grid, w2ui, w2popup, w2alert, w2confirm } from 'https://cdn.jsdelivr.net/gh/vitmalina/w2ui@master/dist/w2ui.es6.min.js'
let AUTH_ITEMS = []
let CURRENT_MEMBER_ID = null;

const USE_ITEMS = [
  { id: 'Y', text: '사용' },
  { id: 'N', text: '미사용' }
]
/* -------------------------------------------------
   공통 유틸
------------------------------------------------- */

function getTargetMemberId() {
    return document.getElementById('targetMemberId')?.value?.trim()
}

function destroyGrid(name) {
    if (w2ui[name]) {
        w2ui[name].destroy()
    }
}

function loadBaseCode(mainCd) {
    return fetch(`/kngil/bbs/adm_comp.php?action=base_code&main_cd=${mainCd}`)
        .then(res => res.json())
        .then(json => {
            if (json.status !== 'success') {
                throw new Error(json.message || '공통코드 로딩 실패')
            }
            return json.items
        })
}

function normalizeAuth(records) {
  return records.map(r => {
    const item = AUTH_ITEMS.find(a => a.id === r.auth_bc)
    return {
      ...r,
      auth_bc: item || null   //객체 복사
    }
  })
}

function normalizeUseYn(records) {
  return records.map(r => {
    const item = USE_ITEMS.find(u => u.id === r.use_yn)
    return {
      ...r,
      use_yn: item || null
    }
  })
}


/* -------------------------------------------------
   기업 관리자 페이지 Grid
------------------------------------------------- */
export async function createUserGrid(boxId, options = {}) {
    console.log('🔥 createUserGrid 호출됨:', boxId)
    // 🔥 DB에서 권한 코드 로딩
    AUTH_ITEMS = (await loadBaseCode('BS100')).map(r => ({
        id: r.id,
        text: r.text
    }))
    const { loadSummary = true, memberId = null } = options

    destroyGrid('userGrid')

    const grid = new w2grid({
        name: boxId === '#detailGrid' ? 'detailGrid' : 'userGrid',
        box: boxId,

        show: {
            footer: true,
            lineNumbers: true,
            selectColumn: true,
        },

        columns: [
            // {
            //     field: 'recid',
            //     text: '#',
            //     size: '50px',
            //     attr: 'align=center',
            //     sortable: true,
            // },
            { field: 'user_id', text: 'ID', size: '90px', editable: {type : 'text'}, resizable: true, sortable: true },
            {
                field: 'user_pw',
                text: 'PW',
                size: '90px',
                resizable: true,
                sortable: false,

                editable: {
                    type: 'password'   // ✅ 입력 시 ●●●●
                },

                render() {
                    return '********'       // ✅ 항상 마스킹
                }
            },
            { field: 'user_nm', text: '이름', size: '90px', editable: {type : 'text'}, resizable: true, sortable: true },
            {
                field: 'tel_no',
                text: '연락처',
                size: '120px',
                editable: { type: 'text' },
                resizable: true,
                sortable: true
            },
            { field: 'email', text: 'E-mail', size: '180px', editable: {type : 'text'}, resizable: true, sortable: true },
            { field: 'dept_nm', text: '부서', size: '120px', editable: {type : 'text'}, resizable: true, sortable: true },
            {
                field: 'use_area',
                text: '사용량(㎡)',
                size: '120px',
                attr: 'align=right',
                editable: false,
                resizable: true,
                sortable: true,

                render(record) {
                    const v = Number(record.use_area) || 0
                    return v.toLocaleString()   // ✅ 1,000단위 콤마
                }
            },
            { field: 'cdt', text: '등록일', size: '100px', editable: false, resizable: true, sortable: true },
            {
            field: 'use_yn',
            text: '사용',
            size: '90px',
            attr: 'align=center',
            sortable: true,
            editable: {
                type: 'list',
                items: USE_ITEMS,
                showAll: true,
                openOnFocus: true
            },

            render(record, extra) {
                return extra?.value?.text || ''
            }
            },
            /* ✅ 권한 콤보 (DB 연동) */
            {
            field: 'auth_bc',
            text: '권한',
            size: '120px',
            sortable: true,
            editable: {
                type: 'list',
                items: AUTH_ITEMS,
                showAll: true,
                openOnFocus: true
            },
            render(record, extra) {
                return extra?.value?.text || ''
            }
            },
            { field: 'rmks', text: '비고', size: '120px', editable: { type: 'text' }, resizable: true, sortable: true }
        ],
        onEditField(event) {

            const pwColIndex = this.getColumn('user_pw').index

            // 🔥 PW 컬럼일 때만 처리
            if (event.column !== pwColIndex) return

            event.onComplete = function () {

                // 🔥 현재 편집 세션의 input만 정확히 집기
                const box = event.box
                if (!box) return

                const input = box.querySelector('input[type="password"]')
                if (!input) return

                // PW만 초기화
                input.value = ''
                input.placeholder = '변경 시에만 입력'
            }
        },
        onChange(event) {
            event.onComplete = function (ev) {

                const rec = grid.get(ev.recid);
                if (!rec) return;

                const field = grid.columns[ev.column].field;
                let val = ev.value_new;

                /* ===============================
                📞 전화번호(tel_no) 자동 하이픈
                =============================== */
                if (field === 'tel_no') {

                    let digits = String(val || '').replace(/\D/g, '');

                    // 입력 중이면 건드리지 않음
                    if (digits.length < 9) return;

                    let formatted = digits;

                    if (digits.length === 11) {
                        formatted =
                            `${digits.slice(0,3)}-${digits.slice(3,7)}-${digits.slice(7)}`;
                    } else if (digits.length === 10) {
                        formatted =
                            `${digits.slice(0,3)}-${digits.slice(3,6)}-${digits.slice(6)}`;
                    }

                    // ✅ 화면 값
                    grid.set(ev.recid, { tel_no: formatted });

                    // ✅ 변경사항으로 "확정" (이게 핵심)
                    grid.mergeChanges(ev.recid, { tel_no: formatted });

                    grid.refreshRow(ev.recid);
                    return;
                }

                /* ===============================
                공통 처리
                =============================== */
                if (typeof val === 'object' && val !== null) {
                    val = val.text;
                }

                grid.set(ev.recid, { [field]: val });
                grid.mergeChanges(ev.recid, { [field]: val });
            };
        },
        records: [],
    })

    loadData({
        loadSummary,
        memberId
    })
}

export function loadUsersByMember(memberId) {

    if (!memberId) return

    const g = w2ui.detailGrid
    if (!g) {
        console.error('detailGrid 없음')
        return
    }

    fetch(`/kngil/bbs/adm_comp.php?action=list&member_id=${memberId}`)
        .then(res => res.json())
        .then(d => {

            if (d.status !== 'success') {
                w2alert('사용자 조회 실패')
                return
            }
            const records = normalizeAuth(d.records || [])
            records = normalizeUseYn(records)
            g.clear()
            g.add(d.records)
        })
        .catch(err => console.error(err))
}

export function setUserGridMode(mode = 'view') {
    const g = w2ui.userGrid
    if (!g) return

    if (mode === 'view') {
        g.show.toolbar = false
        g.show.selectColumn = false
        g.show.toolbarSave = false
    } else {
        g.show.toolbar = true
        g.show.selectColumn = true
        g.show.toolbarSave = true
    }

    g.refresh()
}

export function loadData({ loadSummary = true } = {}) {
  fetch('/kngil/bbs/adm_comp.php?action=list')
    .then(res => res.json())
    .then(async d => {

      if (d.status !== 'success') return

      let records = normalizeAuth(d.records || [])
      records = normalizeUseYn(records)
      const gridName = w2ui.detailGrid ? 'detailGrid' : 'userGrid'

      w2ui[gridName].clear()
      w2ui[gridName].add(records)

      if (loadSummary && d.member_id) {
        const totalArea = await loadTotalArea()
        renderSummaryFromRecords({
          memberId: d.member_id,
          records,
          totalArea
        })
      }
    })
}




function renderSummaryFromRecords({ memberId, records, totalArea }) {

    if (!records.length) return

    const first = records[0]

    const issuedCnt = Number(first.users_tot) || 0
    const usedCnt   = Number(first.users_y) || 0
    const term      = first.term || ''

    // 사용 중 면적 합계
    let usedArea = 0
    records.forEach(r => {
        if (r.use_yn?.id === 'Y') {
        usedArea += Number(r.use_area || 0)
        }
    })

    const percent = totalArea > 0
        ? Math.floor((usedArea / totalArea) * 100)
        : 0

    /* -------- 화면 바인딩 -------- */
    document.getElementById('memberId').textContent = memberId
    document.getElementById('planName').textContent = first.itm_nm || '-'
    document.getElementById('dateRange').textContent = term

    document.getElementById('issuedCnt').textContent = issuedCnt
    document.getElementById('usedCnt').textContent = usedCnt

    document.getElementById('usedArea').textContent =
        usedArea.toLocaleString() + '㎡'

    document.getElementById('totalArea').textContent =
        totalArea.toLocaleString() + '㎡'

    /* -------- 사용량 바 -------- */
    const bar = document.getElementById('usedBar')
    bar.style.width = percent + '%'
}



// ===============================
// 저장 버튼
// ===============================
document.getElementById('btnSave_comp')?.addEventListener('click', () => {

    // 현재 사용 중인 grid
    const g = w2ui.detailGrid || w2ui.userGrid
    if (!g) return

    const changes = g.getChanges()

    if (!changes.length) {
        w2alert('변경된 내용이 없습니다.')
        return
    }

    const inserts = []
    const updates = []

    changes.forEach(c => {
        const rec = g.get(c.recid)
        if (!rec) return

        // 🔥 핵심: 원본 rec + 변경값 c 병합
        const merged = { ...rec, ...c }

        if (rec.__isNew) {
            // INSERT → 전체 row 필요
            inserts.push(merged)
        } else {
            // UPDATE → PK + 변경 컬럼
            updates.push({
                member_id : merged.member_id,
                user_id   : merged.user_id,

                user_nm   : merged.user_nm,
                dept_nm   : merged.dept_nm,
                tel_no    : merged.tel_no,
                email     : merged.email,
                use_yn    : merged.use_yn?.id || merged.use_yn,
                auth_bc   : merged.auth_bc?.id || merged.auth_bc,
                rmks      : (merged.memo !== undefined ? merged.memo : '')
            })
        }
    })

    console.log('INSERTS', inserts)
    console.log('UPDATES', updates)

    fetch('/kngil/bbs/adm_comp.php', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
            action: 'save',
            // member_id: g.records[0]?.member_id,
            inserts,
            updates
        })
    })
    .then(res => res.text())
    .then(text => {
        try {
            const json = JSON.parse(text)
            if (json.status === 'success') {
                w2alert('저장 완료')
                loadData()
            } else {
                w2alert(json.message || '저장 실패')
            }
        } catch (e) {
            console.error(text)
            w2alert('서버 응답 오류 (JSON 아님)')
        }
    })
})


//추가(insert)
document.getElementById('btnAdd')?.addEventListener('click', () => {

    const g = w2ui.userGrid || w2ui.detailGrid
    if (!g) return
    const defaultAuth = AUTH_ITEMS.find(a => a.id === 'BS100500') // 일반
    // 신규 row용 recid (음수로 충돌 방지)
    const newRecid = -Date.now()

    g.add({
        recid: newRecid,
        __isNew: true,
        user_id: '',
        user_pw: '',
        user_nm: '',
        tel_no: '',
        email: '',
        dept_nm: '',
        use_area: 0,
        use_yn: USE_ITEMS[0],
        auth_bc: defaultAuth || null,
        memo: ''
    }, true)

    g.select(newRecid)
    g.scrollIntoView(newRecid)
})

//삭제
document.getElementById('btnDelete')?.addEventListener('click', () => {

    const g = w2ui.detailGrid || w2ui.userGrid
    if (!g) return

    const sel = g.getSelection()

    if (!sel.length) {
        w2alert('삭제할 사용자를 선택하세요.')
        return
    }

    // 선택된 user_id 수집
    const ids = sel
        .map(recid => {
            const r = g.get(recid)
            return r?.user_id
        })
        .filter(Boolean)

    if (!ids.length) {
        w2alert('삭제 가능한 항목이 없습니다.')
        return
    }

    w2confirm(`선택한 ${ids.length}명의 사용자를 삭제하시겠습니까?`)
        .yes(() => {

            fetch('/kngil/bbs/adm_comp.php', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({
                    action: 'delete',
                    // member_id: g.records[0]?.member_id,
                    ids
                })
            })
            .then(res => res.text())
            .then(text => {
                try {
                    const json = JSON.parse(text)
                    if (json.status === 'success') {
                        w2alert('삭제 완료')
                        loadData()
                    } else {
                        w2alert(json.message || '삭제 실패')
                    }
                } catch (e) {
                    console.error(text)
                    w2alert('서버 응답 오류 (JSON 아님)')
                }
            })
        })
})

function loadTotalArea(memberId) {
    return fetch(`/kngil/bbs/adm_comp.php?action=total_area`)
        .then(res => res.json())
        .then(json => {
            if (json.status !== 'success') {
                throw new Error('총 구매면적 로딩 실패')
            }
            return Number(json.total_area || 0)
        })
}

function doSearch() {

    const keyword = document.getElementById('schKeyword').value.trim()
    const type    = document.getElementById('schType').value
    const useYn   = document.getElementById('schUseYn').value

    let p_user_nm = ''
    let p_dept_nm = ''

    // DB로 보낼 검색 조건
    if (type === 'name') {
        p_user_nm = keyword
    } else if (type === 'dept') {
        p_dept_nm = keyword
    } else if (type === '') {
        // 전체 검색 → 이름 OR 부서
        p_user_nm = keyword
        p_dept_nm = keyword
    }
    // ⚠️ type === 'id' 는 DB로 안 보냄

    fetch(`/kngil/bbs/adm_comp.php?action=list`
        + `&user_nm=${encodeURIComponent(p_user_nm)}`
        + `&dept_nm=${encodeURIComponent(p_dept_nm)}`
        + `&use_yn=${useYn}`
    )
    .then(res => res.json())
    .then(d => {

        if (d.status !== 'success') {
            w2alert('검색 실패')
            return
        }

        let records = d.records || []

        // ID 검색은 프론트 필터
        if (type === 'id' && keyword) {
            records = records.filter(r =>
                (r.user_id || '').toLowerCase()
                    .includes(keyword.toLowerCase())
            )
        }

        const g = w2ui.detailGrid || w2ui.userGrid
        records = normalizeAuth(records)
        records = normalizeUseYn(records)
        g.clear()
        g.add(records)
    })
}


document.getElementById('btnSearch')
  ?.addEventListener('click', () => {

    const memberInput = document.getElementById('targetMemberId');
    const memberId = memberInput ? memberInput.value.trim() : '';

    if (memberInput && memberInput.style.display !== 'none') {
        CURRENT_MEMBER_ID = memberId;   // ⭐ 저장
        loadDataByMemberId(memberId);
        return;
    }

    doSearch();
});

document.getElementById('schKeyword')
    ?.addEventListener('keydown', e => {
        if (e.key === 'Enter') doSearch()
    })

document.getElementById('btnBulkCreate')
  ?.addEventListener('click', () => {

    const memberId = getTargetMemberId()

    if (!memberId) {
        w2alert('회원ID를 입력하세요.')
        return
    }

    // 🔥 여기서 CSV URL 팝업 띄움
    openBulkCreatePopup(memberId)
})

function openBulkCreatePopup(memberId) {

    // ⭐ 방어: 객체면 member_id만 사용
    if (typeof memberId === 'object' && memberId !== null) {
        memberId = memberId.member_id || '';
    }

    if (!memberId) {
        w2alert('회원ID가 올바르지 않습니다.');
        return;
    }

    w2popup.open({
        title: '사용자 일괄 생성 (CSV)',
        width: 520,
        height: 220,
        modal: true,
        body: `
            <div style="padding:20px">
                <p style="margin-bottom:8px">
                    대상 회원ID: <b>${memberId}</b>
                </p>

                <input type="text"
                       id="csvUrl"
                       placeholder="CSV URL 입력"
                       style="width:100%; padding:6px" />

                <div style="margin-top:15px; text-align:right">
                    <button class="w2ui-btn" id="btnCsvRun">실행</button>
                </div>
            </div>
        `,
        onOpen(event) {
            event.onComplete = () => {
                document
                  .getElementById('btnCsvRun')
                  .addEventListener('click', () => {

                    const url =
                      document.getElementById('csvUrl').value.trim()

                    if (!url) {
                        w2alert('CSV URL을 입력하세요.')
                        return
                    }

                    runBulkCreate(memberId, url)
                  })
            }
        }
    })
}

function runBulkCreate(memberId, csvUrl) {

    fetch('/kngil/bbs/adm_comp.php', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
            action: 'bulk_create',
            member_id: memberId,
            csv_url: csvUrl
        })
    })
    .then(res => res.text())
    .then(text => {

        let d;
        try {
            d = JSON.parse(text);
        } catch (e) {
            w2alert({
                title: '서버 오류',
                text: `<pre style="white-space:pre-wrap; text-align:left;">${text}</pre>`
            });
            return;
        }

        const successCnt = Number(d.success_cnt || 0);
        const failCnt    = Number(d.fail_cnt || 0);

        let errors = d.errors || [];
        // 배열이지만 요소가 객체일 수 있음 → 문자열로 강제
        errors = errors.map(e => {
            if (typeof e === 'string') return e;
            try {
                return JSON.stringify(e);
            } catch {
                return String(e);
            }
        });

        // // ⭐ 핵심: object → array 변환
        // if (!Array.isArray(errors) && typeof errors === 'object') {
        //     errors = Object.values(errors);
        // }
console.log('errors raw =', d.errors);
        // ❌ 전부 실패
        if (successCnt === 0) {
            w2popup.close();   // ⭐ 먼저 CSV 팝업 닫기

            w2alert(`
            <div style="
                text-align:center;
                line-height:1.6;
                padding:10px;
                font-size:16px;
            ">
                <b>일괄 생성 실패</b><br><br>
                ${errors.map(e => `• ${e}`).join('<br>')}
            </div>
            `);
            return;
        }

        // ✅ 성공 or 부분 성공
        let msg = '';
        msg += `✔ 성공: ${successCnt}명<br>`;
        msg += `❌ 실패: ${failCnt}명`;

        if (errors.length > 0) {
            msg += '<hr style="margin:8px 0">';
            msg += '<div style="text-align:left; max-height:200px; overflow:auto;">';
            errors.forEach(err => {
                msg += `• ${err}<br>`;
            });
            msg += '</div>';
        }

        w2alert({
            title: '일괄 생성 결과',
            msg: msg
        });

        if (CURRENT_MEMBER_ID) {
            loadDataByMemberId(CURRENT_MEMBER_ID);
        } else {
            loadData();
        }
        w2popup.close();
    })
    .catch(err => {
        console.error(err);
        w2alert('서버 통신 중 오류가 발생했습니다.');
    });
}



function loadDataByMemberId(memberId) {

    if (!memberId) {
        w2alert('회원ID를 입력하세요.');
        return;
    }

    fetch(`/kngil/bbs/adm_comp.php?action=list&member_id=${encodeURIComponent(memberId)}`)
        .then(res => res.json())
        .then(async d => {

            if (d.status !== 'success') {
                w2alert(d.message || '조회 실패');
                return;
            }

            let records = normalizeAuth(d.records || []);
            records = normalizeUseYn(records);

            const gridName = w2ui.detailGrid ? 'detailGrid' : 'userGrid';
            w2ui[gridName].clear();
            w2ui[gridName].add(records);

            // ✅ 상단 요약 갱신
            const totalArea = await loadTotalArea(memberId);
            renderSummaryFromRecords({
                memberId,
                records,
                totalArea
            });
        });
}