// Path: Backend/internal/httpx/api_project_routes.go

package httpx

import (
	"net/http"
	"strings"

	bootstrapservice "moku-backend/internal/bootstrap"

	"github.com/go-chi/chi/v5"
)

func (routes apiRoutes) handleProjectFolders(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	folders, err := routes.bootstrapService().GetProjectHierarchyFolders(r.Context(), projectID)
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "load")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": map[string]any{
			"projectId": projectID,
			"folders":   folders,
		},
		"meta": map[string]any{
			"resource": "project-folders",
		},
	})
}

func (routes apiRoutes) handleCreateProjectFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeProjectFolderRequest(w, r)
	if !ok {
		return
	}

	payload.Name = strings.TrimSpace(payload.Name)
	payload.ParentFolderPath = strings.TrimSpace(payload.ParentFolderPath)
	if payload.Name == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder name is required.")
		return
	}

	result, err := routes.bootstrapService().CreateProjectFolder(r.Context(), bootstrapservice.CreateProjectFolderInput{
		ProjectID:        projectID,
		ParentFolderPath: payload.ParentFolderPath,
		Name:             payload.Name,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "persist")
		return
	}

	WriteJSON(w, http.StatusCreated, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-folder-create",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleDeleteProjectFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload := decodeDeleteProjectFolderRequest(r)
	if strings.TrimSpace(payload.FolderPath) == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder ID is required.")
		return
	}

	result, err := routes.bootstrapService().DeleteProjectFolder(r.Context(), bootstrapservice.DeleteProjectFolderInput{
		ProjectID:  projectID,
		FolderPath: payload.FolderPath,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "delete")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-folder-delete",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleRenameProjectFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeRenameProjectFolderRequest(w, r)
	if !ok {
		return
	}

	payload.FolderPath = strings.TrimSpace(payload.FolderPath)
	payload.Name = strings.TrimSpace(payload.Name)
	if payload.FolderPath == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder ID is required.")
		return
	}
	if payload.Name == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder name is required.")
		return
	}

	result, err := routes.bootstrapService().RenameProjectFolder(r.Context(), bootstrapservice.RenameProjectFolderInput{
		ProjectID:  projectID,
		FolderPath: payload.FolderPath,
		Name:       payload.Name,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "rename")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-folder-rename",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleMoveProjectFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeMoveProjectFolderRequest(w, r)
	if !ok {
		return
	}

	payload.FolderPath = strings.TrimSpace(payload.FolderPath)
	payload.FolderStableID = strings.TrimSpace(payload.FolderStableID)
	payload.ParentFolderPath = strings.TrimSpace(payload.ParentFolderPath)
	payload.ParentStableID = strings.TrimSpace(payload.ParentStableID)
	if payload.FolderPath == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder ID is required.")
		return
	}

	result, err := routes.bootstrapService().MoveProjectFolder(r.Context(), bootstrapservice.MoveProjectFolderInput{
		ProjectID:        projectID,
		FolderPath:       payload.FolderPath,
		FolderStableID:   payload.FolderStableID,
		ParentFolderPath: payload.ParentFolderPath,
		ParentStableID:   payload.ParentStableID,
		TargetIndex:      payload.TargetIndex,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "move")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-folder-move",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleProjectTreeFolders(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	folders, err := routes.bootstrapService().GetProjectTreeFolders(r.Context(), projectID)
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "load")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": map[string]any{
			"projectId": projectID,
			"folders":   folders,
		},
		"meta": map[string]any{
			"resource": "project-tree-folders",
		},
	})
}

func (routes apiRoutes) handleProjectTree(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	nodes, err := routes.bootstrapService().GetProjectTreeNodes(r.Context(), projectID)
	if err != nil {
		routes.writeProjectTreeError(w, r, err, "load")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": map[string]any{
			"projectId": projectID,
			"nodes":     nodes,
		},
		"meta": map[string]any{
			"resource": "project-tree",
		},
	})
}

func (routes apiRoutes) handleCreateProjectTreeFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeProjectFolderRequest(w, r)
	if !ok {
		return
	}

	payload.Name = strings.TrimSpace(payload.Name)
	payload.ParentFolderPath = strings.TrimSpace(payload.ParentFolderPath)
	if payload.Name == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder name is required.")
		return
	}

	result, err := routes.bootstrapService().CreateProjectTreeFolder(r.Context(), bootstrapservice.CreateProjectFolderInput{
		ProjectID:        projectID,
		ParentFolderPath: payload.ParentFolderPath,
		Name:             payload.Name,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "persist")
		return
	}

	WriteJSON(w, http.StatusCreated, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-tree-folder-create",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleDeleteProjectTreeFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload := decodeDeleteProjectFolderRequest(r)
	if strings.TrimSpace(payload.FolderPath) == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder ID is required.")
		return
	}

	result, err := routes.bootstrapService().DeleteProjectTreeFolder(r.Context(), bootstrapservice.DeleteProjectFolderInput{
		ProjectID:  projectID,
		FolderPath: payload.FolderPath,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "delete")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-tree-folder-delete",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleRenameProjectTreeFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeRenameProjectFolderRequest(w, r)
	if !ok {
		return
	}

	payload.FolderPath = strings.TrimSpace(payload.FolderPath)
	payload.Name = strings.TrimSpace(payload.Name)
	if payload.FolderPath == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder ID is required.")
		return
	}
	if payload.Name == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder name is required.")
		return
	}

	result, err := routes.bootstrapService().RenameProjectTreeFolder(r.Context(), bootstrapservice.RenameProjectFolderInput{
		ProjectID:  projectID,
		FolderPath: payload.FolderPath,
		Name:       payload.Name,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "rename")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-tree-folder-rename",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleMoveProjectTreeFolder(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeMoveProjectFolderRequest(w, r)
	if !ok {
		return
	}

	payload.FolderPath = strings.TrimSpace(payload.FolderPath)
	payload.FolderStableID = strings.TrimSpace(payload.FolderStableID)
	payload.ParentFolderPath = strings.TrimSpace(payload.ParentFolderPath)
	payload.ParentStableID = strings.TrimSpace(payload.ParentStableID)
	if payload.FolderPath == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Folder ID is required.")
		return
	}

	result, err := routes.bootstrapService().MoveProjectTreeFolder(r.Context(), bootstrapservice.MoveProjectFolderInput{
		ProjectID:        projectID,
		FolderPath:       payload.FolderPath,
		FolderStableID:   payload.FolderStableID,
		ParentFolderPath: payload.ParentFolderPath,
		ParentStableID:   payload.ParentStableID,
		TargetIndex:      payload.TargetIndex,
	})
	if err != nil {
		routes.writeProjectFolderError(w, r, err, "move")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-tree-folder-move",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleCreateProjectTreeItem(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeProjectItemRequest(w, r)
	if !ok {
		return
	}

	payload.Name = strings.TrimSpace(payload.Name)
	payload.ParentFolderPath = strings.TrimSpace(payload.ParentFolderPath)
	payload.ItemType = strings.TrimSpace(payload.ItemType)
	if payload.Name == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Item name is required.")
		return
	}
	if payload.ItemType == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Item type is required.")
		return
	}

	result, err := routes.bootstrapService().CreateProjectTreeItem(r.Context(), bootstrapservice.CreateProjectItemInput{
		ProjectID:        projectID,
		ParentFolderPath: payload.ParentFolderPath,
		Name:             payload.Name,
		ItemType:         payload.ItemType,
	})
	if err != nil {
		routes.writeProjectTreeError(w, r, err, "persist")
		return
	}

	WriteJSON(w, http.StatusCreated, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-tree-item-create",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleDeleteProjectTreeItem(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload := decodeDeleteProjectItemRequest(r)
	if strings.TrimSpace(payload.ItemPath) == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Item ID is required.")
		return
	}

	result, err := routes.bootstrapService().DeleteProjectTreeItem(r.Context(), bootstrapservice.DeleteProjectItemInput{
		ProjectID: projectID,
		ItemPath:  payload.ItemPath,
	})
	if err != nil {
		routes.writeProjectTreeError(w, r, err, "delete")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-tree-item-delete",
			"persisted": true,
		},
	})
}

func (routes apiRoutes) handleMoveProjectTreeItem(w http.ResponseWriter, r *http.Request) {
	projectID := strings.TrimSpace(chi.URLParam(r, "projectId"))
	if projectID == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Project ID is required.")
		return
	}

	payload, ok := decodeMoveProjectItemRequest(w, r)
	if !ok {
		return
	}

	payload.ItemPath = strings.TrimSpace(payload.ItemPath)
	payload.ItemStableID = strings.TrimSpace(payload.ItemStableID)
	payload.ParentFolderPath = strings.TrimSpace(payload.ParentFolderPath)
	payload.ParentStableID = strings.TrimSpace(payload.ParentStableID)
	if payload.ItemPath == "" {
		WriteError(w, http.StatusBadRequest, RequestIDFromContext(r.Context()), "invalid_request", "Item ID is required.")
		return
	}

	result, err := routes.bootstrapService().MoveProjectTreeItem(r.Context(), bootstrapservice.MoveProjectItemInput{
		ProjectID:        projectID,
		ItemPath:         payload.ItemPath,
		ItemStableID:     payload.ItemStableID,
		ParentFolderPath: payload.ParentFolderPath,
		ParentStableID:   payload.ParentStableID,
		TargetIndex:      payload.TargetIndex,
	})
	if err != nil {
		routes.writeProjectTreeError(w, r, err, "move")
		return
	}

	WriteJSON(w, http.StatusOK, map[string]any{
		"data": result,
		"meta": map[string]any{
			"resource":  "project-tree-item-move",
			"persisted": true,
		},
	})
}