package handlers

import (
	"net/http"

	"person-site/internal/models"
)

type ExportHandler struct {
	ProjectStore *models.ProjectStore
	ConfigStore  *models.ConfigStore
}

func (h *ExportHandler) Export(w http.ResponseWriter, r *http.Request) {
	projects, err := h.ProjectStore.ListAll()
	if err != nil {
		Error(w, 500, "failed to fetch projects")
		return
	}
	if projects == nil {
		projects = []models.Project{}
	}

	config, err := h.ConfigStore.GetAll()
	if err != nil {
		Error(w, 500, "failed to fetch config")
		return
	}

	configRes := buildConfigResponse(config)

	JSON(w, 200, map[string]interface{}{
		"projects": projects,
		"config":   configRes,
	})
}

func (h *ExportHandler) Import(w http.ResponseWriter, r *http.Request) {
	var req struct {
		Projects []models.Project       `json:"projects"`
		Config   map[string]interface{} `json:"config"`
	}
	if err := Decode(r, &req); err != nil {
		Error(w, 400, "invalid request body")
		return
	}

	if err := h.ProjectStore.ReplaceAll(req.Projects); err != nil {
		Error(w, 500, "failed to import projects: "+err.Error())
		return
	}

	for key, value := range req.Config {
		strVal, err := valueToString(value)
		if err != nil {
			Error(w, 400, "invalid config value for key: "+key)
			return
		}
		if err := h.ConfigStore.Set(key, strVal); err != nil {
			Error(w, 500, "failed to save config")
			return
		}
	}

	JSON(w, 200, map[string]string{"status": "ok"})
}