{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "API contract — erplibre_mobile ↔ Odoo JSON-RPC 2.0",
  "version": "1.0",
  "updated": "2026-03-29",
  "base_url": "{odoo_url}",
  "protocol": "JSON-RPC 2.0",
  "content_type": "application/json",
  "authentication": {
    "method": "session_cookie",
    "notes": "Standard Odoo session — no custom auth module required"
  },
  "endpoints": {
    "auth.login": {
      "description": "Authenticate and open a session",
      "method": "POST",
      "path": "/web/session/authenticate",
      "request": {
        "jsonrpc": "2.0",
        "method": "call",
        "params": {
          "db": "{database_name}",
          "login": "{username}",
          "password": "{password}"
        }
      },
      "response_fields": {
        "uid": "integer — user ID, null if auth failed",
        "session_id": "string — session cookie value"
      },
      "errors": {
        "uid=false": "Wrong credentials"
      },
      "side_effects": "Sets session cookie — store in SecureStorage"
    },

    "auth.check": {
      "description": "Verify session is still valid (ping)",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "jsonrpc": "2.0",
        "method": "call",
        "params": {
          "model": "res.lang",
          "method": "search_read",
          "args": [],
          "kwargs": { "domain": [], "fields": ["name"], "limit": 1 }
        }
      },
      "errors": {
        "session_expired": "HTTP 200 with error code 100 — trigger re-auth"
      }
    },

    "tags.resolve": {
      "description": "Find or prepare project tags by name",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "params": {
          "model": "project.tags",
          "method": "search_read",
          "args": [],
          "kwargs": {
            "domain": [["name", "in", ["tag1", "tag2"]]],
            "fields": ["id", "name"]
          }
        }
      },
      "notes": "Compare returned names against mobile tags — create missing ones via tags.create"
    },

    "tags.create": {
      "description": "Create a missing tag",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "params": {
          "model": "project.tags",
          "method": "create",
          "args": [{ "name": "{tag_name}" }],
          "kwargs": {}
        }
      },
      "response": "integer — new tag ID"
    },

    "notes.pull": {
      "description": "Pull todos modified since last sync",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "params": {
          "model": "project.task",
          "method": "search_read",
          "args": [],
          "kwargs": {
            "domain": [
              ["project_id", "=", false],
              ["write_date", ">", "{last_synced_at_iso}"]
            ],
            "fields": [
              "id", "name", "description", "priority", "active",
              "state", "tag_ids", "date_deadline",
              "geo_task_point", "write_date", "attachment_ids"
            ],
            "limit": 100,
            "offset": 0,
            "order": "write_date asc"
          }
        }
      },
      "notes": "project_id=False = project_todo personal tasks. geo_task_point requires erplibre_mobile_todo installed."
    },

    "notes.poll": {
      "description": "Lightweight poll — fetch only IDs and write_date to detect changes",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "params": {
          "model": "project.task",
          "method": "search_read",
          "args": [],
          "kwargs": {
            "domain": [
              ["project_id", "=", false],
              ["write_date", ">", "{last_synced_at_iso}"]
            ],
            "fields": ["id", "write_date"],
            "limit": 200
          }
        }
      }
    },

    "notes.create": {
      "description": "Push a new note to Odoo — returns the Odoo ID to store locally",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "params": {
          "model": "project.task",
          "method": "create",
          "args": [
            {
              "name": "{note.title}",
              "description": "{note.html_description}",
              "project_id": false,
              "priority": "1 if pinned else 0",
              "active": "not note.archived",
              "state": "done if note.done else 01_in_progress",
              "tag_ids": [[6, 0, ["{tag_id_1}", "{tag_id_2}"]]],
              "date_deadline": "{first_date_entry_iso or null}",
              "geo_task_point": "{geojson_multipoint or null}"
            }
          ],
          "kwargs": {}
        }
      },
      "response": "integer — Odoo task ID → store as odoo_id in mobile SQLite",
      "notes": "tag_ids uses Odoo ORM command 6 (replace all). geo_task_point is GeoJSON string."
    },

    "notes.update": {
      "description": "Push changes to an existing note",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "params": {
          "model": "project.task",
          "method": "write",
          "args": [
            ["{note.odoo_id}"],
            {
              "name": "{note.title}",
              "description": "{note.html_description}",
              "priority": "1 if pinned else 0",
              "active": "not note.archived",
              "state": "done if note.done else 01_in_progress",
              "tag_ids": [[6, 0, ["{tag_id_1}"]]],
              "date_deadline": "{first_date_entry_iso or null}",
              "geo_task_point": "{geojson_multipoint or null}"
            }
          ],
          "kwargs": {}
        }
      },
      "response": "true on success"
    },

    "attachments.list": {
      "description": "List attachments for a set of tasks",
      "method": "POST",
      "path": "/web/dataset/call_kw",
      "request": {
        "params": {
          "model": "ir.attachment",
          "method": "search_read",
          "args": [],
          "kwargs": {
            "domain": [
              ["res_model", "=", "project.task"],
              ["res_id", "in", ["{odoo_id_1}", "{odoo_id_2}"]]
            ],
            "fields": ["id", "name", "mimetype", "file_size", "create_date", "res_id"]
          }
        }
      }
    },

    "attachments.upload": {
      "description": "Upload a media file (audio, photo, video) as task attachment",
      "method": "POST",
      "path": "/web/binary/upload_attachment",
      "content_type": "multipart/form-data",
      "request_fields": {
        "model": "project.task",
        "id": "{note.odoo_id}",
        "ufile": "<binary file content>"
      },
      "response_fields": {
        "id": "integer — attachment ID",
        "name": "string — filename"
      },
      "notes": "Upload only on WiFi option recommended for video files. Requires valid session cookie."
    }
  },

  "re_auth_strategy": {
    "trigger": "JSON-RPC error code 100 (session expired) or HTTP 401",
    "steps": [
      "1. Retrieve credentials from SecureStorage key 'odoo_sync_credentials_{app_url}'",
      "2. Call auth.login with retrieved credentials",
      "3. Store new session cookie in SecureStorage key 'odoo_sync_session_{app_url}'",
      "4. Retry original request once",
      "5. If still failing — set sync_status='error', notify user"
    ]
  },

  "sync_status_values": {
    "local": "Note exists only on device — never pushed",
    "pending": "Modified since last sync — push needed",
    "synced": "In sync with Odoo — write_date matches",
    "conflict": "Both mobile and Odoo modified since last sync (v1: Odoo wins)",
    "error": "Last sync attempt failed — show error to user"
  },

  "sqlite_columns_added": {
    "table": "notes",
    "migration": "2026032901",
    "columns": {
      "odoo_id": "INTEGER — Odoo project.task id, null if never pushed",
      "odoo_url": "TEXT — Base URL of the Odoo instance used for sync",
      "sync_status": "TEXT DEFAULT 'local' — see sync_status_values",
      "last_synced_at": "TEXT — ISO 8601 datetime of last successful sync"
    }
  }
}