package httpapi

import (
	"encoding/json"
	"net/http"
	"strconv"

	"github.com/vasyansk/imap-copier/internal/crypto"
	"github.com/vasyansk/imap-copier/internal/store"
)

type AccountView struct {
	ID            int64  `json:"id"`
	SrcLogin      string `json:"src_login"`
	DstLogin      string `json:"dst_login"`
	TestSrcStatus string `json:"test_src_status"`
	TestDstStatus string `json:"test_dst_status"`
	Status        string `json:"status"`
	Copied        int64  `json:"copied"`
	Skipped       int64  `json:"skipped"`
	Errors        int64  `json:"errors"`
}

func accountDTO(a store.Account) AccountView {
	return AccountView{
		ID: a.ID, SrcLogin: a.SrcLogin, DstLogin: a.DstLogin,
		TestSrcStatus: a.TestSrcStatus, TestDstStatus: a.TestDstStatus,
		Status: a.Status, Copied: a.Copied, Skipped: a.Skipped, Errors: a.Errors,
	}
}

func pathID(r *http.Request, name string) (int64, error) {
	return strconv.ParseInt(r.PathValue(name), 10, 64)
}

func (s *Server) handleCreateAccount(w http.ResponseWriter, r *http.Request) {
	taskID, err := pathID(r, "id")
	if err != nil {
		http.Error(w, "bad id", http.StatusBadRequest)
		return
	}
	var body struct {
		SrcLogin, SrcPass, DstLogin, DstPass string
	}
	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
		http.Error(w, "bad json", http.StatusBadRequest)
		return
	}
	srcEnc, err := crypto.Encrypt(s.cfg.EncKey, []byte(body.SrcPass))
	if err != nil {
		http.Error(w, "encrypt", http.StatusInternalServerError)
		return
	}
	dstEnc, err := crypto.Encrypt(s.cfg.EncKey, []byte(body.DstPass))
	if err != nil {
		http.Error(w, "encrypt", http.StatusInternalServerError)
		return
	}
	id, err := s.store.CreateAccount(r.Context(), store.Account{
		TaskID: taskID, SrcLogin: body.SrcLogin, SrcPassEnc: srcEnc,
		DstLogin: body.DstLogin, DstPassEnc: dstEnc,
	})
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	writeJSON(w, http.StatusCreated, map[string]int64{"id": id})
}