package sdkserver

import (
	"fmt"
	"gac-hkrpg-go/internal/common"
	pb "gac-hkrpg-go/protocol/proto"
	"google.golang.org/protobuf/proto"
	"net/http"
	"strconv"
	"strings"
)

func apiCurrencyWarsCommand(w http.ResponseWriter, command string) {
	fail := func(err error) { writeJSON(w, map[string]any{"success": false, "output": err.Error()}) }
	parts := strings.Fields(command)
	usage := "Usage: /cw status | /cw gold <total> | /cw hp <total>. Changes apply in CW Preparation; adventure inventory is unchanged."
	if len(parts) < 2 {
		fail(fmt.Errorf("%s", usage))
		return
	}
	catalog, err := common.LoadCurrencyWarsCatalog()
	if err != nil {
		fail(err)
		return
	}
	cfg, err := common.LoadRuntimeConfig()
	if err != nil {
		fail(err)
		return
	}
	snapshot, err := common.ReadCurrencyWarsSnapshot(cfg.PlayerUID, catalog.ClientVersion, catalog.Provenance.GameAssemblySHA256)
	if err != nil {
		fail(err)
		return
	}
	if snapshot == nil {
		fail(fmt.Errorf("no saved CW run"))
		return
	}
	var data pb.GridFightGetDataScRsp
	if err = proto.Unmarshal(snapshot.WireData, &data); err != nil {
		fail(err)
		return
	}
	run := data.DHFOFLFCLAH
	if run == nil {
		fail(fmt.Errorf("no active CW run"))
		return
	}
	var player *pb.NIHNGPKHEPC
	for _, c := range run.NAGDJGMMCBE {
		if v := c.GetFAOCFBOFCJP(); v != nil {
			player = v
		}
	}
	if player == nil {
		fail(fmt.Errorf("CW player state missing"))
		return
	}
	field := strings.ToLower(parts[1])
	if field == "status" && len(parts) == 2 {
		writeJSON(w, map[string]any{"success": true, "output": fmt.Sprintf("CW run=%d revision=%d gold=%d hp=%d/%d level=%d", run.UniqueId, snapshot.Revision, player.Gold, player.GridFightLineupHp, player.PPKKHHNEOHB, player.EHNJDIDABHD)})
		return
	}
	if len(parts) != 3 || (field != "gold" && field != "hp") {
		fail(fmt.Errorf("%s", usage))
		return
	}
	value, err := strconv.ParseUint(parts[2], 10, 32)
	if err != nil {
		fail(fmt.Errorf("value must be a nonnegative uint32"))
		return
	}
	if field == "hp" && (value == 0 || value > uint64(player.PPKKHHNEOHB)) {
		fail(fmt.Errorf("HP must be 1..%d", player.PPKKHHNEOHB))
		return
	}
	id, err := common.QueueCurrencyWarsCommand(cfg.PlayerUID, run.UniqueId, field, uint32(value))
	if err != nil {
		fail(err)
		return
	}
	writeJSON(w, map[string]any{"success": true, "state": "queued", "request_id": id, "output": fmt.Sprintf("Queued CW %s=%d for run %d. Applies at the next heartbeat in Preparation.", field, value, run.UniqueId)})
}