package sys

import (
	"context"
	"hotgo/internal/model/input/sysin"
	"hotgo/internal/service"

	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gtime"
)

const imMailboxConfigTable = "im_mailbox_config"

type sSysImMailboxConfig struct{}

func NewSysImMailboxConfig() *sSysImMailboxConfig { return &sSysImMailboxConfig{} }

func init() {
	service.RegisterSysImMailboxConfig(NewSysImMailboxConfig())
}

func (s *sSysImMailboxConfig) Get(ctx context.Context, in *sysin.ImMailboxConfigGetInp) (res *sysin.ImMailboxConfigModel, err error) {
	if err = in.Filter(ctx); err != nil {
		return
	}
	db, tenant, err := resolveImTenantDB(ctx, in.TenantId)
	if err != nil {
		return nil, err
	}
	if err = s.ensureDefault(ctx, db); err != nil {
		return nil, err
	}
	if err = s.model(ctx, db).Where("id", 1).Scan(&res); err != nil {
		return nil, gerror.Wrap(err, "获取IM总经理信箱配置失败，请稍后重试！")
	}
	if res != nil {
		res.TenantId = tenant.Id
		res.TenantName = tenant.Name
	}
	return
}

func (s *sSysImMailboxConfig) Update(ctx context.Context, in *sysin.ImMailboxConfigUpdateInp) (err error) {
	if err = in.Filter(ctx); err != nil {
		return
	}
	db, tenant, err := resolveImTenantDB(ctx, in.TenantId)
	if err != nil {
		return err
	}
	if err = s.ensureDefault(ctx, db); err != nil {
		return err
	}
	requiredFields := `["subject","content"]`
	if in.RequiredFields != nil && in.RequiredFields.String() != "" && in.RequiredFields.String() != "null" {
		requiredFields = in.RequiredFields.String()
	}
	attachmentPolicy := `{"max_files":5,"purpose":"executive_mailbox"}`
	if in.AttachmentPolicy != nil && in.AttachmentPolicy.String() != "" && in.AttachmentPolicy.String() != "null" {
		attachmentPolicy = in.AttachmentPolicy.String()
	}
	if _, err = db.Model(imMailboxConfigTable).Safe().Ctx(ctx).Where("id", 1).Data(g.Map{
		"enabled":           in.Enabled,
		"allow_anonymous":   in.AllowAnonymous,
		"required_fields":   requiredFields,
		"max_length":        in.MaxLength,
		"attachment_policy": attachmentPolicy,
		"notice_title":      in.NoticeTitle,
		"notice_content":    in.NoticeContent,
		"notice_updated_at": gtime.Now(),
		"updated_at":        gtime.Now(),
	}).Update(); err != nil {
		return gerror.Wrap(err, "更新IM总经理信箱配置失败，请稍后重试！")
	}
	_ = writeImAdminAudit(ctx, tenant.Id, "im_mailbox_config_update", "im_mailbox_config", 1, "success", g.Map{"enabled": in.Enabled})
	return nil
}

func (s *sSysImMailboxConfig) model(ctx context.Context, db gdb.DB) *gdb.Model {
	return db.Model(imMailboxConfigTable).Safe().Ctx(ctx).Fields(
		"id",
		"enabled",
		"allow_anonymous",
		"CAST(required_fields AS CHAR) required_fields",
		"max_length",
		"CAST(attachment_policy AS CHAR) attachment_policy",
		"notice_title",
		"notice_content",
		"notice_updated_at",
		"updated_at",
	)
}

func (s *sSysImMailboxConfig) ensureDefault(ctx context.Context, db gdb.DB) (err error) {
	var count int
	if count, err = db.Model(imMailboxConfigTable).Safe().Ctx(ctx).Where("id", 1).Count(); err != nil {
		return gerror.Wrap(err, "检查IM总经理信箱默认配置失败，请稍后重试！")
	}
	if count > 0 {
		return nil
	}
	_, err = db.Model(imMailboxConfigTable).Safe().Ctx(ctx).Data(g.Map{
		"id":                1,
		"enabled":           1,
		"allow_anonymous":   1,
		"required_fields":   `["subject","content"]`,
		"max_length":        5000,
		"attachment_policy": `{"max_files":5,"purpose":"executive_mailbox"}`,
		"notice_title":      "总经理信箱",
		"notice_content":    "请如实填写诉求，匿名提交将按企业政策保护展示身份。",
		"notice_updated_at": gtime.Now(),
		"created_at":        gtime.Now(),
		"updated_at":        gtime.Now(),
	}).Insert()
	if err != nil {
		return gerror.Wrap(err, "初始化IM总经理信箱默认配置失败，请稍后重试！")
	}
	return nil
}