package problem

import (
	"git.0x7f.app/WOJ/woj-server/internal/e"
	"git.0x7f.app/WOJ/woj-server/internal/model"
	"git.0x7f.app/WOJ/woj-server/internal/service/problem"
	"github.com/gin-gonic/gin"
)

type detailsRequest struct {
	Pid uint `form:"pid" json:"pid"`
}

type problemDetailsResponse struct {
	Problem *model.Problem `json:"problem"`
	Context interface{}    `json:"context"`
}

// Details
// @Summary     get details of a problem
// @Description Get details of a problem.
// @Tags 	    problem
// @Accept      application/x-www-form-urlencoded
// @Produce     json
// @Param       pid formData int true "problem id"
// @Response    200 {object} e.Response[problemDetailsResponse] "problem details"
// @Router      /v1/problem/details [post]
func (h *handler) Details(c *gin.Context) {
	req := new(detailsRequest)
	if err := c.ShouldBind(req); err != nil {
		e.Pong(c, e.InvalidParameter, err.Error())
		return
	}

	// Only Admin is able to view disabled problems
	claim, exist := c.Get("claim")
	shouldEnable := !exist || claim.(*model.Claim).Role < model.RoleAdmin

	p, status := h.problemService.Query(&problem.QueryData{ID: req.Pid, Associations: true, ShouldEnable: shouldEnable})
	if status != e.Success {
		e.Pong[any](c, status, nil)
		return
	}

	pv, status := h.problemService.QueryLatestVersion(req.Pid)
	if status != e.Success {
		e.Pong[any](c, status, nil)
		return
	}

	e.Pong(c, e.Success, problemDetailsResponse{
		Problem: p,
		Context: pv.Context.Get(),
	})
}