package sys

import (
	"context"
	"fmt"
	"hotgo/internal/consts"
	"hotgo/internal/library/contexts"
	"hotgo/internal/library/imkafka"
	"hotgo/internal/model/input/form"
	"hotgo/internal/model/input/sysin"
	"hotgo/internal/service"
	"hotgo/utility/convert"
	"hotgo/utility/excel"
	"net/url"
	"strconv"

	"github.com/gogf/gf/v2/os/gctx"
	"github.com/gogf/gf/v2/util/gconv"
)

type sSysImPrivateMessage struct{}
type sSysImGroupMessage struct{}

func NewSysImPrivateMessage() *sSysImPrivateMessage { return &sSysImPrivateMessage{} }
func NewSysImGroupMessage() *sSysImGroupMessage     { return &sSysImGroupMessage{} }

func init() {
	service.RegisterSysImPrivateMessage(NewSysImPrivateMessage())
	service.RegisterSysImGroupMessage(NewSysImGroupMessage())
}

func (s *sSysImPrivateMessage) List(ctx context.Context, in *sysin.ImPrivateMessageListInp) ([]*sysin.ImMessageListModel, int, error) {
	if err := in.Filter(ctx); err != nil {
		return nil, 0, err
	}
	values := addPageQuery(url.Values{}, in.Page, in.PerPage)
	setQuery(values, "topic", in.Topic)
	setQuery(values, "from_user_id", in.FromUserId)
	setQuery(values, "to_user_id", in.ToUserId)
	setQuery(values, "content_type", in.ContentType)
	setQuery(values, "status", in.Status)
	setQuery(values, "keyword", in.Keyword)
	addTimeRangeQuery(values, "created_at", in.CreatedAt)
	return queryImMessages(ctx, in.TenantId, "private-messages", values)
}

func (s *sSysImGroupMessage) List(ctx context.Context, in *sysin.ImGroupMessageListInp) ([]*sysin.ImMessageListModel, int, error) {
	if err := in.Filter(ctx); err != nil {
		return nil, 0, err
	}
	values := addPageQuery(url.Values{}, in.Page, in.PerPage)
	setQuery(values, "topic", in.Topic)
	if in.SeqId > 0 {
		values.Set("seq_id", strconv.FormatInt(in.SeqId, 10))
	}
	setQuery(values, "sender_user_id", in.SenderUserId)
	setQuery(values, "sender_username", in.SenderUsername)
	setQuery(values, "sender_nickname", in.SenderNickname)
	setQuery(values, "group_name", in.GroupName)
	setQuery(values, "content_type", in.ContentType)
	setQuery(values, "status", in.Status)
	setQuery(values, "keyword", in.Keyword)
	addTimeRangeQuery(values, "created_at", in.CreatedAt)
	return queryImMessages(ctx, in.TenantId, "group-messages", values)
}

func queryImMessages(ctx context.Context, tenantId int64, resource string, values url.Values) ([]*sysin.ImMessageListModel, int, error) {
	tenant, err := resolveImAdminTenant(ctx, tenantId)
	if err != nil {
		return nil, 0, err
	}
	return imAdminQueryList[sysin.ImMessageListModel](ctx, tenant,
		"/internal/admin-query/tenants/"+url.PathEscape(tenant.Code)+"/"+resource, values,
		map[string]string{"sender_user_id": "fromUserId", "sent_at": "createdAt", "message_type": "contentType", "content_summary": "contentExcerpt"})
}

func (s *sSysImPrivateMessage) View(ctx context.Context, in *sysin.ImMessageViewInp) (*sysin.ImMessageViewModel, error) {
	return viewImMessage(ctx, in)
}

func (s *sSysImGroupMessage) View(ctx context.Context, in *sysin.ImMessageViewInp) (*sysin.ImMessageViewModel, error) {
	return viewImMessage(ctx, in)
}

func viewImMessage(ctx context.Context, in *sysin.ImMessageViewInp) (*sysin.ImMessageViewModel, error) {
	if err := in.Filter(ctx); err != nil {
		return nil, err
	}
	tenant, err := resolveImAdminTenant(ctx, in.TenantId)
	if err != nil {
		return nil, err
	}
	path := "/internal/admin-query/tenants/" + url.PathEscape(tenant.Code) + "/messages/" + url.PathEscape(in.Topic) + "/" + strconv.FormatInt(in.SeqId, 10)
	return imAdminQueryOne[sysin.ImMessageViewModel](ctx, tenant, path,
		map[string]string{"sender_user_id": "fromUserId", "sent_at": "createdAt", "message_type": "contentType"})
}

func (s *sSysImPrivateMessage) Hide(ctx context.Context, in *sysin.ImMessageActionInp) (*sysin.ImMessageCommandModel, error) {
	return publishMessageCommand(ctx, in, "private", consts.ImAdminCommandMessageHide)
}

func (s *sSysImPrivateMessage) Delete(ctx context.Context, in *sysin.ImMessageActionInp) (*sysin.ImMessageCommandModel, error) {
	return publishMessageCommand(ctx, in, "private", consts.ImAdminCommandMessageDelete)
}

func (s *sSysImGroupMessage) Hide(ctx context.Context, in *sysin.ImMessageActionInp) (*sysin.ImMessageCommandModel, error) {
	return publishMessageCommand(ctx, in, "group", consts.ImAdminCommandMessageHide)
}

func (s *sSysImGroupMessage) Delete(ctx context.Context, in *sysin.ImMessageActionInp) (*sysin.ImMessageCommandModel, error) {
	return publishMessageCommand(ctx, in, "group", consts.ImAdminCommandMessageDelete)
}

func publishMessageCommand(ctx context.Context, in *sysin.ImMessageActionInp, conversationType string, eventType string) (*sysin.ImMessageCommandModel, error) {
	if err := in.Filter(ctx); err != nil {
		return nil, err
	}
	tenant, err := resolveImAdminTenant(ctx, in.TenantId)
	if err != nil {
		return nil, err
	}
	user := contexts.GetUser(ctx)
	actorName := ""
	if user != nil {
		actorName = user.RealName
	}
	bizId := in.Topic + ":" + strconv.FormatInt(in.SeqId, 10)
	command, err := imkafka.PublishAdminCommand(ctx, imkafka.AdminCommandInput{
		TenantID: tenant.Id, TenantCode: tenant.Code, EventType: eventType, BizType: "message", BizID: bizId,
		Actor:     &imkafka.Actor{Type: "admin", ID: strconv.FormatInt(contexts.GetUserId(ctx), 10), DisplayName: actorName},
		Payload:   map[string]any{"conversation_type": conversationType, "topic": in.Topic, "seq_id": in.SeqId, "reason": in.Reason},
		CreatedBy: contexts.GetUserId(ctx),
	})
	result := "success"
	if err != nil {
		result = "failed"
	}
	_ = writeImAdminAudit(ctx, tenant.Id, eventType, "message", in.SeqId, result, map[string]any{"conversation_type": conversationType, "topic": in.Topic, "reason": in.Reason})
	if err != nil {
		return nil, err
	}
	return &sysin.ImMessageCommandModel{CommandId: command.CommandID, EventId: command.EventID, Status: command.Status}, nil
}

func (s *sSysImPrivateMessage) Export(ctx context.Context, in *sysin.ImPrivateMessageListInp) error {
	list, total, err := s.List(ctx, in)
	if err != nil {
		return err
	}
	return exportImMessages(ctx, list, total, in.Page, in.PerPage, "单聊消息")
}

func (s *sSysImGroupMessage) Export(ctx context.Context, in *sysin.ImGroupMessageListInp) error {
	list, total, err := s.List(ctx, in)
	if err != nil {
		return err
	}
	return exportImMessages(ctx, list, total, in.Page, in.PerPage, "群聊消息")
}

func exportImMessages(ctx context.Context, list []*sysin.ImMessageListModel, total int, page int, perPage int, label string) error {
	tags, err := convert.GetEntityDescTags(sysin.ImMessageExportModel{})
	if err != nil {
		return err
	}
	var exports []sysin.ImMessageExportModel
	if err = gconv.Scan(list, &exports); err != nil {
		return err
	}
	fileName := "导出" + label + "-" + gctx.CtxId(ctx)
	sheetName := fmt.Sprintf("索引条件共%v行,共%v页,当前导出是第%v页,本页共%v行", total, form.CalPageCount(total, perPage), page, len(list))
	return excel.ExportByStructs(ctx, tags, exports, fileName, sheetName)
}

func setQuery(values url.Values, key string, value string) {
	if value != "" {
		values.Set(key, value)
	}
}