package api

import (
	"net/http"

	"browser.local/platform/dto"
)

// serverInstanceCreateWorkflow godoc
// @Summary Create server instance workflow
// @Description Creates a server instance through the platform-mediated lifecycle workflow and queues an install job for the selected run endpoint.
// @Tags server-instances
// @Accept json
// @Produce json
// @Param body body dto.ServerLifecycleCreateRequest true "Server lifecycle create request"
// @Success 200 {object} dto.ServerLifecycleResponse
// @Failure 400 {object} dto.ErrorResponse
// @Failure 404 {object} dto.ErrorResponse
// @Failure 409 {object} dto.ErrorResponse
// @Failure 405 {object} dto.ErrorResponse
// @Router /api/v1/server-instances/workflows/create [post]
func (h *coreHandlers) serverInstanceCreateWorkflow(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		writeMethodNotAllowed(w, http.MethodPost)
		return
	}
	request, err := decodeJSON[dto.ServerLifecycleCreateRequest](r)
	if err != nil {
		writeDecodeError(w, err)
		return
	}
	result, err := h.core.CreateServerInstanceWorkflowForSession(bearerToken(r), request.ToDomain())
	if err != nil {
		writeServiceError(w, err)
		return
	}
	writeJSON(w, http.StatusOK, dto.ServerLifecycleFromDomain(result))
}

// serverInstanceStart godoc
// @Summary Start server instance
// @Description Validates lifecycle state and config version, then queues a start job through the platform job channel.
// @Tags server-instances
// @Accept json
// @Produce json
// @Param id path string true "Server instance ID"
// @Param body body dto.ServerLifecycleCommandRequest true "Server lifecycle command request"
// @Success 200 {object} dto.ServerLifecycleResponse
// @Failure 400 {object} dto.ErrorResponse
// @Failure 404 {object} dto.ErrorResponse
// @Failure 405 {object} dto.ErrorResponse
// @Router /api/v1/server-instances/{id}/start [post]
func (h *coreHandlers) serverInstanceStart(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		writeMethodNotAllowed(w, http.MethodPost)
		return
	}
	request, err := decodeJSON[dto.ServerLifecycleCommandRequest](r)
	if err != nil {
		writeDecodeError(w, err)
		return
	}
	result, err := h.core.StartServerInstanceForSession(bearerToken(r), request.ToDomain(r.PathValue("id")))
	if err != nil {
		writeServiceError(w, err)
		return
	}
	writeJSON(w, http.StatusOK, dto.ServerLifecycleFromDomain(result))
}

// serverInstanceStop godoc
// @Summary Stop server instance
// @Description Validates lifecycle state and config version, then queues a stop job through the platform job channel.
// @Tags server-instances
// @Accept json
// @Produce json
// @Param id path string true "Server instance ID"
// @Param body body dto.ServerLifecycleCommandRequest true "Server lifecycle command request"
// @Success 200 {object} dto.ServerLifecycleResponse
// @Failure 400 {object} dto.ErrorResponse
// @Failure 404 {object} dto.ErrorResponse
// @Failure 405 {object} dto.ErrorResponse
// @Router /api/v1/server-instances/{id}/stop [post]
func (h *coreHandlers) serverInstanceStop(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		writeMethodNotAllowed(w, http.MethodPost)
		return
	}
	request, err := decodeJSON[dto.ServerLifecycleCommandRequest](r)
	if err != nil {
		writeDecodeError(w, err)
		return
	}
	result, err := h.core.StopServerInstanceForSession(bearerToken(r), request.ToDomain(r.PathValue("id")))
	if err != nil {
		writeServiceError(w, err)
		return
	}
	writeJSON(w, http.StatusOK, dto.ServerLifecycleFromDomain(result))
}

// serverInstanceProcessStatus godoc
// @Summary Query supervised server process status
// @Description Queues a typed process.status job for the selected server/profile.
// @Tags server-instances
// @Accept json
// @Produce json
// @Param id path string true "Server instance ID"
// @Param body body dto.ServerLifecycleCommandRequest true "Process status request"
// @Success 202 {object} dto.ServerLifecycleResponse
// @Failure 400 {object} dto.ErrorResponse
// @Failure 401 {object} dto.ErrorResponse
// @Failure 403 {object} dto.ErrorResponse
// @Failure 404 {object} dto.ErrorResponse
// @Router /api/v1/server-instances/{id}/process/status [post]
func (h *coreHandlers) serverInstanceProcessStatus(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		writeMethodNotAllowed(w, http.MethodPost)
		return
	}
	request, err := decodeJSON[dto.ServerLifecycleCommandRequest](r)
	if err != nil {
		writeDecodeError(w, err)
		return
	}
	result, err := h.core.QueryServerInstanceProcessForSession(bearerToken(r), request.ToDomain(r.PathValue("id")))
	if err != nil {
		writeServiceError(w, err)
		return
	}
	writeJSON(w, http.StatusAccepted, dto.ServerLifecycleFromDomain(result))
}