package app

import (
	"context"
	"strings"

	"git.5iot.com/iotlcm-public/iotlcm-app/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/library/batchimport"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/model"

	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/encoding/gjson"
	"github.com/gogf/gf/v2/errors/gerror"
)

type appAllocateBatchProcessor struct {
	batch *appAllocateBatchContext
}

type appAllocateBatchRow struct {
	rowNo        int
	itemID       string
	snapshot     *gjson.Json
	errorReasons []string
}

func newAppAllocateBatchProcessor(batch *appAllocateBatchContext) *appAllocateBatchProcessor {
	return &appAllocateBatchProcessor{batch: batch}
}

func appAllocateBatchRows(batch *appAllocateBatchContext) []batchimport.Row {
	if batch == nil {
		return nil
	}
	rows := make([]batchimport.Row, 0, len(batch.Cards))
	for _, item := range batch.Cards {
		if item == nil {
			continue
		}
		row := &appAllocateBatchRow{
			rowNo:    item.RowNo,
			itemID:   item.allocateItemId(),
			snapshot: appAllocatePrepareDetailSnapshot(batch, item),
		}
		if reason := strings.TrimSpace(item.ErrorReason); reason != "" {
			row.AddErrorReason(reason)
		}
		rows = append(rows, row)
	}
	return rows
}

func (p *appAllocateBatchProcessor) Config() batchimport.ProcessorConfig {
	return batchimport.ProcessorConfig{
		Code:            "miniapp_card_allocate",
		BatchType:       consts.BatchTypeAllocate,
		BatchNoPrefix:   consts.BatchNoPrefixAllocate,
		TaskName:        consts.ResourceBatchDownloadTaskSimCardAllocate,
		ExportScene:     consts.ResourceExportSceneAllocate,
		ImportDir:       consts.SimCardAllocateSubDirImportExcel,
		ResultDir:       consts.SimCardAllocateSubDirResultExcel,
		MaxFileSize:     50 << 20,
		TemplateHeaders: []string{"ICCID", "MSISDN", "IMSI"},
		RequiredHeaders: []string{"ICCID"},
	}
}

func (p *appAllocateBatchProcessor) ParseRows(ctx context.Context, filePath string) ([]batchimport.Row, error) {
	return nil, gerror.New("小程序划拨暂不支持文件导入")
}

func (p *appAllocateBatchProcessor) ValidateRows(ctx context.Context, rows []batchimport.Row) error {
	seen := make(map[string]batchimport.Row, len(rows))
	for _, row := range rows {
		if row == nil {
			continue
		}
		itemID := strings.TrimSpace(row.GetItemID())
		if itemID == "" {
			row.AddErrorReason("ICCID不能为空")
			continue
		}
		if first, ok := seen[itemID]; ok {
			row.AddErrorReason("ICCID重复")
			first.AddErrorReason("ICCID重复")
			continue
		}
		seen[itemID] = row
	}
	return nil
}

func (p *appAllocateBatchProcessor) Execute(ctx context.Context, tx gdb.TX, req *batchimport.SubmitRequest, rows []batchimport.Row) error {
	return gerror.New("小程序划拨批次确认由提交接口触发")
}

func (p *appAllocateBatchProcessor) BuildBatchInfo(ctx context.Context, req batchimport.SubmitRequest, result *batchimport.Result, importOss *model.SysOssSaveContentModel, resultOss *model.SysOssSaveContentModel, downloadId int64) *gjson.Json {
	info := map[string]any{}
	if p.batch != nil {
		if base := appAllocatePrepareBatchInfo(p.batch, req.BatchNo); base != nil {
			for key, value := range base.Map() {
				info[key] = value
			}
		}
	}
	if sourceBatchNo := strings.TrimSpace(req.SourceBatchNo); sourceBatchNo != "" {
		info["sourceBatchNo"] = sourceBatchNo
	}
	if importOss != nil && importOss.OssId > 0 {
		info["importFileOssId"] = importOss.OssId
	}
	if resultOss != nil && resultOss.OssId > 0 {
		info["resultFileOssId"] = resultOss.OssId
	}
	if downloadId > 0 {
		info["resultDownloadId"] = downloadId
	}
	if result != nil && strings.TrimSpace(result.FailReason) != "" {
		info["failReason"] = strings.TrimSpace(result.FailReason)
	}
	return gjson.New(info)
}

func (r *appAllocateBatchRow) GetRowNo() int {
	if r == nil {
		return 0
	}
	return r.rowNo
}

func (r *appAllocateBatchRow) GetItemID() string {
	if r == nil {
		return ""
	}
	return strings.TrimSpace(r.itemID)
}

func (r *appAllocateBatchRow) GetErrorReasons() []string {
	if r == nil {
		return nil
	}
	return r.errorReasons
}

func (r *appAllocateBatchRow) AddErrorReason(reason string) {
	if r == nil {
		return
	}
	reason = strings.TrimSpace(reason)
	if reason == "" {
		return
	}
	for _, item := range r.errorReasons {
		if item == reason {
			return
		}
	}
	r.errorReasons = append(r.errorReasons, reason)
}

func (r *appAllocateBatchRow) Snapshot() *gjson.Json {
	if r == nil || r.snapshot == nil {
		return gjson.New(map[string]any{})
	}
	return r.snapshot
}