package media

import (
	"errors"
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/go-admin-team/go-admin-core/sdk/api"
	coreService "github.com/go-admin-team/go-admin-core/sdk/service"
)

type API struct{ api.Api }

func (e *API) service(c *gin.Context) (*Service, error) {
	base := coreService.Service{}
	if err := e.MakeContext(c).MakeOrm().MakeService(&base).Errors; err != nil {
		return nil, err
	}
	return serviceFor(base.Orm), nil
}

func (e *API) List(c *gin.Context) {
	service, err := e.service(c)
	if err != nil {
		e.writeError(err)
		return
	}
	items, err := service.List(c.Request.Context())
	if err != nil {
		e.writeError(err)
		return
	}
	e.OK(gin.H{"list": items, "total": len(items)}, "查询成功")
}

func (e *API) Process(c *gin.Context) {
	service, err := e.service(c)
	if err != nil {
		e.writeError(err)
		return
	}
	e.OK(service.ProcessState(), "查询成功")
}

func (e *API) ReconcileAll(c *gin.Context) {
	service, err := e.service(c)
	if err != nil {
		e.writeError(err)
		return
	}
	if err = service.EnsureAllVerified(c.Request.Context()); err == nil {
		err = service.ReconcileDue(c.Request.Context())
	}
	if err != nil {
		e.writeError(err)
		return
	}
	e.OK(nil, "对账完成")
}

func (e *API) Reconcile(c *gin.Context) {
	service, err := e.service(c)
	if err != nil {
		e.writeError(err)
		return
	}
	item, err := service.Reconcile(c.Request.Context(), c.Param("id"))
	if err != nil && item.ID == "" {
		e.writeError(err)
		return
	}
	e.OK(item, "对账完成")
}

func (e *API) Stop(c *gin.Context) {
	service, err := e.service(c)
	if err != nil {
		e.writeError(err)
		return
	}
	item, err := service.StopRoute(c.Request.Context(), c.Param("id"))
	if err != nil {
		e.writeError(err)
		return
	}
	e.OK(item, "媒体路径已停止")
}

func (e *API) writeError(err error) {
	switch {
	case errors.Is(err, ErrNotFound):
		e.Error(http.StatusNotFound, err, err.Error())
	case errors.Is(err, ErrRuntimeUnavailable), errors.Is(err, ErrUnsafeControlAPI):
		e.Error(http.StatusServiceUnavailable, err, "视频服务运行配置不可用")
	default:
		e.Error(http.StatusInternalServerError, err, "视频服务操作失败")
	}
}