import json
import time
from promptledger_verifiable_provenance_and_l.core import LocalProvenanceBlock, MerkleAuditLog, DeltaSync
from promptledger_verifiable_provenance_and_l import attach_signature
from promptledger_verifiable_provenance_and_l.adapters import BlenderAdapter, FigmaAdapter


def test_local_provenance_block_hash_and_signature():
    b = LocalProvenanceBlock(
        author="alice",
        tool="Blender",
        action="create_asset",
        data={"asset_type": "mesh"},
        license="MIT",
    )
    # hash should be deterministic for the same content
    h1 = b.hash()
    h2 = b.hash()
    assert h1 == h2
    attach_signature(b)
    assert isinstance(b.signature, str) and len(b.signature) > 0
    assert b.verify_signature("alice:Blender")


def test_merkle_audit_log_root_updates_with_blocks():
    log = MerkleAuditLog()
    b1 = LocalProvenanceBlock("alice", "Blender", "create_asset", {"asset_type": "mesh"}, "MIT")
    attach_signature(b1)
    log.append(b1)
    root1 = log.get_root()
    b2 = LocalProvenanceBlock("bob", "Figma", "update_design", {"frame": "Intro"}, "MIT")
    attach_signature(b2)
    log.append(b2)
    root2 = log.get_root()
    assert root1 != ""
    assert root2 != ""
    assert root1 != root2


def test_delta_sync_between_logs():
    old_log = MerkleAuditLog()
    b1 = LocalProvenanceBlock("alice", "Blender", "create_asset", {"asset_type": "mesh"}, "MIT")
    attach_signature(b1)
    old_log.append(b1)

    new_log = MerkleAuditLog()
    # copy old block into new log
    new_log.append(b1)
    # add a new block in new_log
    b2 = LocalProvenanceBlock("bob", "Figma", "update_design", {"frame": "Intro"}, "MIT")
    attach_signature(b2)
    new_log.append(b2)

    ds = DeltaSync(old_log)
    delta = ds.create_delta(new_log)
    recipient_log = MerkleAuditLog()
    recipient_sync = DeltaSync(recipient_log)
    recipient_sync.apply_delta(delta)
    assert recipient_log.get_root() == new_log.get_root()


def test_adapters_emit_blocks():
    bl = BlenderAdapter()
    fga = FigmaAdapter()
    b_block = bl.emit_block("b-blob", "transform")
    f_block = fga.emit_block("f-blob", "design")
    assert b_block.tool == "Blender"
    assert f_block.tool == "Figma"
    assert b_block.id == "b-blob"
    assert f_block.id == "f-blob"