// Package sys
// @Link  https://github.com/bufanyun/hotgo
// @Copyright  Copyright (c) 2026 HotGo
// @Author  Ms <133814250@qq.com>
// @License  https://github.com/bufanyun/hotgo/blob/master/LICENSE
package sys

import (
	"context"
	"fmt"
	"hotgo/internal/library/imtenant"
	"hotgo/internal/model/input/form"
	"hotgo/internal/model/input/sysin"
	"hotgo/internal/service"
	"hotgo/utility/convert"
	"hotgo/utility/excel"

	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/os/gctx"
	"github.com/gogf/gf/v2/util/gconv"
)

type sSysImAuditLog struct{}

func NewSysImAuditLog() *sSysImAuditLog {
	return &sSysImAuditLog{}
}

func init() {
	service.RegisterSysImAuditLog(NewSysImAuditLog())
}

// List 获取IM审计日志列表
func (s *sSysImAuditLog) List(ctx context.Context, in *sysin.ImAuditLogListInp) (list []*sysin.ImAuditLogListModel, totalCount int, err error) {
	if err = in.Filter(ctx); err != nil {
		return
	}
	scope, err := resolveImAdminScope(ctx, in.TenantId)
	if err != nil {
		return
	}
	db, tenant, err := imtenant.DB(ctx, scope.TenantId)
	if err != nil {
		return
	}

	mod := s.model(ctx, db)
	mod = s.applyWhere(mod, in)
	mod = mod.Page(in.Page, in.PerPage).OrderDesc("id")

	if err = mod.ScanAndCount(&list, &totalCount, false); err != nil {
		err = gerror.Wrap(err, "获取IM审计日志列表失败，请稍后重试！")
		return
	}
	for _, item := range list {
		item.TenantId = tenant.Id
		item.TenantName = tenant.Name
	}
	return
}

func (s *sSysImAuditLog) model(ctx context.Context, db gdb.DB) *gdb.Model {
	return db.Model("im_audit_logs").Safe().Ctx(ctx).
		Fields(
			"id",
			"actor_uid",
			"actor_role",
			"action",
			"target_type",
			"target_id",
			"reason",
			"request_id",
			"ip",
			"user_agent",
			"CAST(before_snapshot AS CHAR) before_snapshot",
			"CAST(after_snapshot AS CHAR) after_snapshot",
			"CAST(metadata AS CHAR) metadata",
			"created_at",
		)
}

func (s *sSysImAuditLog) applyWhere(mod *gdb.Model, in *sysin.ImAuditLogListInp) *gdb.Model {
	if in.ActorUid > 0 {
		mod = mod.Where("actor_uid", in.ActorUid)
	}
	if in.ActorRole != "" {
		mod = mod.WhereLike("actor_role", "%"+in.ActorRole+"%")
	}
	if in.Action != "" {
		mod = mod.WhereLike("action", "%"+in.Action+"%")
	}
	if in.TargetType != "" {
		mod = mod.Where("target_type", in.TargetType)
	}
	if in.TargetId != "" {
		mod = mod.WhereLike("target_id", "%"+in.TargetId+"%")
	}
	if in.RequestId != "" {
		mod = mod.WhereLike("request_id", "%"+in.RequestId+"%")
	}
	if in.Ip != "" {
		mod = mod.WhereLike("ip", "%"+in.Ip+"%")
	}
	if in.Keyword != "" {
		like := "%" + in.Keyword + "%"
		mod = mod.Where("(action LIKE ? OR target_type LIKE ? OR target_id LIKE ? OR reason LIKE ? OR request_id LIKE ?)", like, like, like, like, like)
	}
	if len(in.CreatedAt) == 2 {
		mod = mod.WhereBetween("created_at", in.CreatedAt[0], in.CreatedAt[1])
	}
	return mod
}

// View 获取IM审计日志指定信息
func (s *sSysImAuditLog) View(ctx context.Context, in *sysin.ImAuditLogViewInp) (res *sysin.ImAuditLogViewModel, err error) {
	if err = in.Filter(ctx); err != nil {
		return
	}
	scope, err := resolveImAdminScope(ctx, in.TenantId)
	if err != nil {
		return nil, err
	}
	db, tenant, err := imtenant.DB(ctx, scope.TenantId)
	if err != nil {
		return nil, err
	}

	err = s.model(ctx, db).Where("id", in.Id).Scan(&res)
	if err != nil {
		return nil, gerror.Wrap(err, "获取IM审计日志信息失败，请稍后重试！")
	}
	if res == nil {
		return nil, nil
	}
	res.TenantId = tenant.Id
	res.TenantName = tenant.Name
	return
}

// Export 导出IM审计日志列表
func (s *sSysImAuditLog) Export(ctx context.Context, in *sysin.ImAuditLogListInp) (err error) {
	list, totalCount, err := s.List(ctx, in)
	if err != nil {
		return
	}
	tags, err := convert.GetEntityDescTags(sysin.ImAuditLogExportModel{})
	if err != nil {
		return
	}

	var exports []sysin.ImAuditLogExportModel
	if err = gconv.Scan(list, &exports); err != nil {
		return
	}
	fileName := "导出IM审计日志-" + 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", totalCount, form.CalPageCount(totalCount, in.PerPage), in.Page, len(list))
	return excel.ExportByStructs(ctx, tags, exports, fileName, sheetName)
}