package handler

import (
	"net/http"
	"net/url"

	"bj_power_mes/common/httpx"
	"bj_power_mes/internal/logic"
	"bj_power_mes/internal/svc"

	"github.com/xuri/excelize/v2"
)

// CreateInspectionHandler POST /inspections（PAD 巡检终端提交记录）
func CreateInspectionHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		var req logic.InspectionReq
		if err := httpx.ParseJSON(r, &req); err != nil {
			httpx.BadRequest(w, "请求体解析失败")
			return
		}
		// 按钮级权限：按记录类型校验（块2/8）
		categoryPerm := map[string]string{
			"CHECKIN": "sys.inspect:checkin",
			"POINT":   "sys.inspect:point",
			"PROCESS": "sys.inspect:process",
			"DONE":    "sys.inspect:done",
			"ALARM":   "sys.inspect:alarm",
		}
		// 质量检验三类（过程检 QC_PROCESS / 完工检 FINAL / 来料检 INCOMING）与 PAD 巡检共用本接口，
		// 持有质量检验录入权限 produce.quality:edit 即放行，避免被巡检按钮权限误拦截。
		// 注：PAD 巡检「过程巡检」仍用 PROCESS（走下方 categoryPerm 的 sys.inspect:process），与质检隔离（P1-8）。
		qualityCats := map[string]bool{"QC_PROCESS": true, "FINAL": true, "INCOMING": true}
		if qualityCats[req.Category] && userHasPerm(r, svcCtx, "produce.quality:edit") {
			// 质检录入已校验，跳过巡检按钮权限
		} else if code, ok := categoryPerm[req.Category]; ok && !userHasPerm(r, svcCtx, code) {
			httpx.FailHTTP(w, http.StatusForbidden, "无操作权限："+code)
			return
		}
		if err := logic.New(svcCtx).CreateInspection(r.Context(), req, operator(r, "")); err != nil {
			httpx.Fail(w, 2301, err.Error())
			return
		}
		httpx.OkMessage(w, "巡检记录已提交", nil)
	}
}

// ListInspectionsHandler GET /inspections?category=&operator=&from=&to=&materialCode=&materialName=&reportNo=&page=&pageSize=
// 返回 {list, total}，后端真分页（created_at desc / id desc，最新置顶）
// materialCode/materialName/reportNo：质量检验模糊查询（每框内模糊、多框取交集）
func ListInspectionsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		q := r.URL.Query()
		page := atoiDefault(q.Get("page"), 1)
		pageSize := atoiDefault(q.Get("pageSize"), 50)
		if page < 1 {
			page = 1
		}
		if pageSize < 1 || pageSize > 1000 {
			pageSize = 50
		}
		data, total, err := logic.New(svcCtx).ListInspectionsPaged(r.Context(),
			q.Get("category"), q.Get("operator"), q.Get("from"), q.Get("to"),
			q.Get("orderNo"), q.Get("stationNo"),
			q.Get("materialCode"), q.Get("materialName"), q.Get("reportNo"), page, pageSize)
		if err != nil {
			httpx.Fail(w, 2302, err.Error())
			return
		}
		httpx.Ok(w, map[string]any{"list": data, "total": total})
	}
}

// UploadPhotoHandler POST /inspections/upload（巡检拍照上传，返回文件名）
func UploadPhotoHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		if err := r.ParseMultipartForm(svcCtx.Config.Upload.MaxMB << 20); err != nil {
			httpx.BadRequest(w, "上传文件过大或格式错误")
			return
		}
		name, err := saveUploadFile(r, "file", svcCtx.Config.Upload.Dir)
		if err != nil {
			httpx.Fail(w, 2303, "照片保存失败："+err.Error())
			return
		}
		httpx.Ok(w, map[string]any{"filename": name, "url": "/api/v1/files/" + name})
	}
}

// QueryBomMaterialHandler GET /quality/bom-material?keyword= 按物料编码或名称/图号检索 BOM 料
func QueryBomMaterialHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		data, err := logic.New(svcCtx).QueryBomMaterial(r.Context(), r.URL.Query().Get("keyword"))
		if err != nil {
			httpx.Fail(w, 2304, err.Error())
			return
		}
		httpx.Ok(w, data)
	}
}

// InspectionDisposalHandler POST /quality/disposal 质量检验处置（退货/返修/退换）
func InspectionDisposalHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		var req struct {
			Id            int    `json:"id"`
			DisposalType  string `json:"disposalType"`
			DisposalRemark string `json:"disposalRemark"`
		}
		if err := httpx.ParseJSON(r, &req); err != nil || req.Id <= 0 {
			httpx.BadRequest(w, "缺少 id")
			return
		}
		if err := logic.New(svcCtx).SetInspectionDisposal(r.Context(), req.Id, req.DisposalType, req.DisposalRemark, operator(r, "")); err != nil {
			httpx.Fail(w, 2305, err.Error())
			return
		}
		httpx.OkMessage(w, "处置已记录", nil)
	}
}

// UnqualifiedReportHandler GET /quality/unqualified-report?id= 一键生成《不合格单》xlsx 模板（预填检验数据）
func UnqualifiedReportHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		id := atoiDefault(r.URL.Query().Get("id"), 0)
		if id <= 0 {
			httpx.Fail(w, 2306, "缺少 id")
			return
		}
		rec, err := logic.New(svcCtx).GetInspectionRecord(r.Context(), id)
		if err != nil {
			httpx.Fail(w, 2307, err.Error())
			return
		}
		f := excelize.NewFile()
		sheet := "不合格单"
		f.SetSheetName("Sheet1", sheet)
		headers := []string{"报检单号", "图号", "物料名称", "生产厂家", "检验单号", "结论", "处置方式", "处置说明", "记录时间"}
		for c, h := range headers {
			cell, _ := excelize.CoordinatesToCellName(c+1, 1)
			_ = f.SetCellValue(sheet, cell, h)
		}
		row := []any{
			rec.ReportNo, rec.MaterialCode, rec.MaterialName, rec.Manufacturer, rec.InspectionNo,
			rec.Result, rec.DisposalType, rec.DisposalRemark, rec.CreatedAt.Format("2006-01-02 15:04:05"),
		}
		for c, v := range row {
			cell, _ := excelize.CoordinatesToCellName(c+1, 2)
			_ = f.SetCellValue(sheet, cell, v)
		}
		w.Header().Set("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
		w.Header().Set("Content-Disposition", "attachment; filename*=UTF-8''"+url.PathEscape("不合格单.xlsx"))
		_, _ = f.WriteTo(w)
	}
}