# SPDX-License-Identifier: GPL-2.0-or-later
"""
File Browser: Libraries Bookmark

The "Libraries" panel on the File Browser displays the path to all the
libraries linked to that .blend. So you can quickly go to the folders
related to the file.

Click on any path to go to that directory.
Developed during Caminandes Open Movie Project
"""

import bpy


class AMTH_FILE_PT_libraries(bpy.types.Panel):
    bl_space_type = "FILE_BROWSER"
    bl_region_type = "TOOLS"
    bl_category = "Bookmarks"
    bl_label = "Libraries"

    @classmethod
    def poll(cls, context):
        return context.area.ui_type == 'FILES'

    def draw(self, context):
        layout = self.layout

        libs = bpy.data.libraries
        libslist = []

        # Build the list of folders from libraries
        import os.path

        for lib in libs:
            directory_name = os.path.dirname(lib.filepath)
            libslist.append(directory_name)

        # Remove duplicates and sort by name
        libslist = set(libslist)
        libslist = sorted(libslist)

        # Draw the box with libs
        row = layout.row()
        box = row.box()

        if libslist:
            col = box.column()
            for filepath in libslist:
                if filepath != "//":
                    row = col.row()
                    row.alignment = "LEFT"
                    props = row.operator(
                        AMTH_FILE_OT_directory_go_to.bl_idname,
                        text=filepath, icon="BOOKMARKS",
                        emboss=False)
                    props.filepath = filepath
        else:
            box.label(text="No libraries loaded")


class AMTH_FILE_OT_directory_go_to(bpy.types.Operator):

    """Go to this library"s directory"""
    bl_idname = "file.directory_go_to"
    bl_label = "Go To"

    filepath: bpy.props.StringProperty(subtype="FILE_PATH")

    def execute(self, context):
        bpy.ops.file.select_bookmark(dir=self.filepath)
        return {"FINISHED"}


def register():
    bpy.utils.register_class(AMTH_FILE_PT_libraries)
    bpy.utils.register_class(AMTH_FILE_OT_directory_go_to)


def unregister():
    bpy.utils.unregister_class(AMTH_FILE_PT_libraries)
    bpy.utils.unregister_class(AMTH_FILE_OT_directory_go_to)