package net.micode.notes.tool;

import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.os.RemoteException;
import android.util.Log;

import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;

import java.util.ArrayList;
import java.util.HashSet;

// 数据工具类，提供各种与笔记数据处理相关的方法
public class DataUtils {
    public static final String TAG = "DataUtils";

    // 批量删除笔记的方法
    public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
        if (ids == null) {
            Log.d(TAG, "the ids is null");
            return true;
        }
        if (ids.size() == 0) {
            Log.d(TAG, "no id is in the hashset");
            return true;
        }

        ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
        for (long id : ids) {
            // 不允许删除系统根文件夹
            if (id == Notes.ID_ROOT_FOLDER) {
                Log.e(TAG, "Don't delete system folder root");
                continue;
            }
            // 创建删除操作的构建器
            ContentProviderOperation.Builder builder = ContentProviderOperation
                  .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
            operationList.add(builder.build());
        }

        try {
            // 执行批量操作
            ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
            if (results == null || results.length == 0 || results[0] == null) {
                Log.d(TAG, "delete notes failed, ids:" + ids.toString());
                return false;
            }
            return true;
        } catch (RemoteException e) {
            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
        } catch (OperationApplicationException e) {
            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
        }
        return false;
    }

    // 将笔记移动到指定文件夹的方法
    public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
        ContentValues values = new ContentValues();
        values.put(NoteColumns.PARENT_ID, desFolderId);
        values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
        values.put(NoteColumns.LOCAL_MODIFIED, 1);
        // 更新笔记的父文件夹ID等信息
        resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
    }

    // 批量将笔记移动到指定文件夹的方法
    public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
                                            long folderId) {
        if (ids == null) {
            Log.d(TAG, "the ids is null");
            return true;
        }

        ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
        for (long id : ids) {
            // 创建更新操作的构建器
            ContentProviderOperation.Builder builder = ContentProviderOperation
                  .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
            builder.withValue(NoteColumns.PARENT_ID, folderId);
            builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
            operationList.add(builder.build());
        }

        try {
            // 执行批量操作
            ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
            if (results == null || results.length == 0 || results[0] == null) {
                Log.d(TAG, "delete notes failed, ids:" + ids.toString());
                return false;
            }
            return true;
        } catch (RemoteException e) {
            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
        } catch (OperationApplicationException e) {
            Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
        }
        return false;
    }

    // 获取除系统文件夹外的所有文件夹数量的方法
    public static int getUserFolderCount(ContentResolver resolver) {
        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
                new String[]{"COUNT(*)"},
                NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
                new String[]{String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
                null);
        int count = 0;
        if (cursor!= null) {
            if (cursor.moveToFirst()) {
                try {
                    count = cursor.getInt(0);
                } catch (IndexOutOfBoundsException e) {
                    Log.e(TAG, "get folder count failed:" + e.toString());
                } finally {
                    cursor.close();
                }
            }
        }
        return count;
    }

    // 检查笔记是否在笔记数据库中可见（非回收站且类型匹配）的方法
    public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
                null,
                NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
                new String[]{String.valueOf(type)},
                null);
        boolean exist = false;
        if (cursor!= null) {
            if (cursor.getCount() > 0) {
                exist = true;
            }
            cursor.close();
        }
        return exist;
    }

    // 检查笔记是否存在于笔记数据库中的方法
    public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
                null, null, null, null);
        boolean exist = false;
        if (cursor!= null) {
            if (cursor.getCount() > 0) {
                exist = true;
            }
            cursor.close();
        }
        return exist;
    }

    // 检查数据是否存在于数据数据库中的方法
    public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
                null, null, null, null);
        boolean exist = false;
        if (cursor!= null) {
            if (cursor.getCount() > 0) {
                exist = true;
            }
            cursor.close();
        }
        return exist;
    }

    // 检查文件夹名称是否可见（非回收站且名称唯一）的方法
    public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
                NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
                        " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
                        " AND " + NoteColumns.SNIPPET + "=?",
                new String[]{name}, null);
        boolean exist = false;
        if (cursor!= null) {
            if (cursor.getCount() > 0) {
                exist = true;
            }
            cursor.close();
        }
        return exist;
    }

    // 获取指定文件夹中笔记的小部件属性集合的方法
    public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
        Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
                new String[]{NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE},
                NoteColumns.PARENT_ID + "=?",
                new String[]{String.valueOf(folderId)},
                null);
        HashSet<AppWidgetAttribute> set = null;
        if (c!= null) {
            if (c.moveToFirst()) {
                set = new HashSet<AppWidgetAttribute>();
                do {
                    try {
                        AppWidgetAttribute widget = new AppWidgetAttribute();
                        widget.widgetId = c.getInt(0);
                        widget.widgetType = c.getInt(1);
                        set.add(widget);
                    } catch (IndexOutOfBoundsException e) {
                        Log.e(TAG, e.toString());
                    }
                } while (c.moveToNext());
            }
            c.close();
        }
        return set;
    }

    // 根据笔记ID获取通话号码的方法
    public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
        Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
                new String[]{CallNote.PHONE_NUMBER},
                CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
                new String[]{String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE},
                null);
        if (cursor!= null && cursor.moveToFirst()) {
            try {
                return cursor.getString(0);
            } catch (IndexOutOfBoundsException e) {
                Log.e(TAG, "Get call number fails " + e.toString());
            } finally {
                cursor.close();
            }
        }
        return "";
    }

    // 根据电话号码和通话日期获取笔记ID的方法
    public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
        Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
                new String[]{CallNote.NOTE_ID},
                CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
                        + CallNote.PHONE_NUMBER + ",?)",
                new String[]{String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber},
                null);
        if (cursor!= null) {
            if (cursor.moveToFirst()) {
                try {
                    return cursor.getLong(0);
                } catch (IndexOutOfBoundsException e) {
                    Log.e(TAG, "Get call note id fails " + e.toString());
                }
            }
            cursor.close();
        }
        return 0;
    }

    // 根据笔记ID获取笔记片段的方法
    public static String getSnippetById(ContentResolver resolver, long noteId) {
        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
                new String[]{NoteColumns.SNIPPET},
                NoteColumns.ID + "=?",
                new String[]{String.valueOf(noteId)},
                null);
        if (cursor!= null) {
            String snippet = "";
            if (cursor.moveToFirst()) {
                snippet = cursor.getString(0);
            }
            cursor.close();
            return snippet;
        }
        throw new IllegalArgumentException("Note is not found with id: " + noteId);
    }

    // 格式化笔记片段的方法，去除首尾空格和换行符
    public static String getFormattedSnippet(String snippet) {
        if (snippet!= null) {
            snippet = snippet.trim();
            int index = snippet.indexOf('\n');
            if (index!= -1) {
                snippet = snippet.substring(0, index);
            }
        }
        return snippet;
    }
}