from pathlib import Path

import bpy

from .runtime import device_enum_items


class SnapFormPreferences(bpy.types.AddonPreferences):
    bl_idname = __package__

    storage_root: bpy.props.StringProperty(
        name="Storage Root",
        description=(
            "Shared user-writable storage for Runtime, models and jobs; "
            "all Blender versions can use the same directory"
        ),
        subtype="DIR_PATH",
        default=str(Path.home() / ".snapform"),
    )
    device: bpy.props.EnumProperty(
        name="Device",
        description=(
            "Inference device used by production tasks; only devices supported "
            "on this machine are listed"
        ),
        items=device_enum_items,
        default=0,
    )

    def draw(self, _context):
        from .operators import active_job
        from .runtime import runtime_directory, runtime_ready

        layout = self.layout
        layout.prop(self, "storage_root")
        layout.prop(self, "device")
        layout.separator()
        layout.label(text=f"Runtime: {runtime_directory()}")
        if runtime_ready():
            layout.label(text="Runtime is ready", icon="CHECKMARK")
        else:
            install_row = layout.row()
            install_row.enabled = active_job() is None
            operator = install_row.operator(
                "snapform.run_job",
                text="Install Runtime",
                icon="IMPORT",
            )
            operator.job_type = "INSTALL_RUNTIME"
        layout.separator()
        operator = layout.operator(
            "snapform.control_host",
            text="Open Host Log",
            icon="TEXT",
        )
        operator.action = "LOG"