const db = require('../models');
const FileDBApi = require('./file');
const crypto = require('crypto');
const Utils = require('../utils');



const Sequelize = db.Sequelize;
const Op = Sequelize.Op;

module.exports = class Counseling_sessionsDBApi {
    

    
    static async create(data, options) {
        const currentUser = (options && options.currentUser) || { id: null };
        const transaction = (options && options.transaction) || undefined;

        const counseling_sessions = await db.counseling_sessions.create(
            {
                id: data.id || undefined,
        
        scheduled_start_at: data.scheduled_start_at
        ||
        null
            ,
            
        scheduled_end_at: data.scheduled_end_at
        ||
        null
            ,
            
        actual_start_at: data.actual_start_at
        ||
        null
            ,
            
        actual_end_at: data.actual_end_at
        ||
        null
            ,
            
        session_type: data.session_type
        ||
        null
            ,
            
        mode: data.mode
        ||
        null
            ,
            
        location: data.location
        ||
        null
            ,
            
        outcome: data.outcome
        ||
        null
            ,
            
        summary: data.summary
        ||
        null
            ,
            
        action_items: data.action_items
        ||
        null
            ,
            
        follow_up_at: data.follow_up_at
        ||
        null
            ,
            
        is_confidential: data.is_confidential
        ||
        false
        
            ,
            
            importHash: data.importHash || null,
            createdById: currentUser.id,
            updatedById: currentUser.id,
    },
        { transaction },
    );

        
        await counseling_sessions.setCase_record( data.case_record || null, {
            transaction,
        });
        
        await counseling_sessions.setStudent( data.student || null, {
            transaction,
        });
        
        await counseling_sessions.setCounselor( data.counselor || null, {
            transaction,
        });
        

        

        
        await FileDBApi.replaceRelationFiles(
            {
                belongsTo: db.counseling_sessions.getTableName(),
                belongsToColumn: 'attachments',
                belongsToId: counseling_sessions.id,
            },
            data.attachments,
            options,
        );
        

        return counseling_sessions;
    }
    

    static async bulkImport(data, options) {
        const currentUser = (options && options.currentUser) || { id: null };
        const transaction = (options && options.transaction) || undefined;

        // Prepare data - wrapping individual data transformations in a map() method
        const counseling_sessionsData = data.map((item, index) => ({
                id: item.id || undefined,
                
                scheduled_start_at: item.scheduled_start_at
            ||
            null
            ,
            
                scheduled_end_at: item.scheduled_end_at
            ||
            null
            ,
            
                actual_start_at: item.actual_start_at
            ||
            null
            ,
            
                actual_end_at: item.actual_end_at
            ||
            null
            ,
            
                session_type: item.session_type
            ||
            null
            ,
            
                mode: item.mode
            ||
            null
            ,
            
                location: item.location
            ||
            null
            ,
            
                outcome: item.outcome
            ||
            null
            ,
            
                summary: item.summary
            ||
            null
            ,
            
                action_items: item.action_items
            ||
            null
            ,
            
                follow_up_at: item.follow_up_at
            ||
            null
            ,
            
                is_confidential: item.is_confidential
            ||
            false
        
            ,
            
            importHash: item.importHash || null,
            createdById: currentUser.id,
            updatedById: currentUser.id,
            createdAt: new Date(Date.now() + index * 1000),
    }));

        // Bulk create items
        const counseling_sessions = await db.counseling_sessions.bulkCreate(counseling_sessionsData, { transaction });

        // For each item created, replace relation files
        
        for (let i = 0; i < counseling_sessions.length; i++) {
            await FileDBApi.replaceRelationFiles(
                {
                    belongsTo: db.counseling_sessions.getTableName(),
                    belongsToColumn: 'attachments',
                    belongsToId: counseling_sessions[i].id,
                },
                data[i].attachments,
                options,
            );
        }
        

        return counseling_sessions;
    }

    static async update(id, data,  options) {
        const currentUser = (options && options.currentUser) || {id: null};
        const transaction = (options && options.transaction) || undefined;
        

        const counseling_sessions = await db.counseling_sessions.findByPk(id, {}, {transaction});


        

        const updatePayload = {};
        
        if (data.scheduled_start_at !== undefined) updatePayload.scheduled_start_at = data.scheduled_start_at;
        
        
        if (data.scheduled_end_at !== undefined) updatePayload.scheduled_end_at = data.scheduled_end_at;
        
        
        if (data.actual_start_at !== undefined) updatePayload.actual_start_at = data.actual_start_at;
        
        
        if (data.actual_end_at !== undefined) updatePayload.actual_end_at = data.actual_end_at;
        
        
        if (data.session_type !== undefined) updatePayload.session_type = data.session_type;
        
        
        if (data.mode !== undefined) updatePayload.mode = data.mode;
        
        
        if (data.location !== undefined) updatePayload.location = data.location;
        
        
        if (data.outcome !== undefined) updatePayload.outcome = data.outcome;
        
        
        if (data.summary !== undefined) updatePayload.summary = data.summary;
        
        
        if (data.action_items !== undefined) updatePayload.action_items = data.action_items;
        
        
        if (data.follow_up_at !== undefined) updatePayload.follow_up_at = data.follow_up_at;
        
        
        if (data.is_confidential !== undefined) updatePayload.is_confidential = data.is_confidential;
        
        
        updatePayload.updatedById = currentUser.id;

        await counseling_sessions.update(updatePayload, {transaction});

        
        
        if (data.case_record !== undefined) {
            await counseling_sessions.setCase_record(
              
              data.case_record,
              
              { transaction }
            );
        }
        
        if (data.student !== undefined) {
            await counseling_sessions.setStudent(
              
              data.student,
              
              { transaction }
            );
        }
        
        if (data.counselor !== undefined) {
            await counseling_sessions.setCounselor(
              
              data.counselor,
              
              { transaction }
            );
        }
        

        
        

        
        await FileDBApi.replaceRelationFiles(
            {
                belongsTo: db.counseling_sessions.getTableName(),
                belongsToColumn: 'attachments',
                belongsToId: counseling_sessions.id,
            },
            data.attachments,
            options,
        );
        

        return counseling_sessions;
    }

    static async deleteByIds(ids, options) {
        const currentUser = (options && options.currentUser) || { id: null };
        const transaction = (options && options.transaction) || undefined;

        const counseling_sessions = await db.counseling_sessions.findAll({
            where: {
                id: {
                    [Op.in]: ids,
                },
            },
            transaction,
        });

        await db.sequelize.transaction(async (transaction) => {
            for (const record of counseling_sessions) {
                await record.update(
                    {deletedBy: currentUser.id},
                    {transaction}
                );
            }
            for (const record of counseling_sessions) {
                await record.destroy({transaction});
            }
        });


        return counseling_sessions;
    }

    static async remove(id, options) {
        const currentUser = (options && options.currentUser) || {id: null};
        const transaction = (options && options.transaction) || undefined;

        const counseling_sessions = await db.counseling_sessions.findByPk(id, options);

        await counseling_sessions.update({
            deletedBy: currentUser.id
        }, {
            transaction,
        });

        await counseling_sessions.destroy({
            transaction
        });

        return counseling_sessions;
    }

    static async findBy(where, options) {
        const transaction = (options && options.transaction) || undefined;

        const counseling_sessions = await db.counseling_sessions.findOne(
            { where },
            { transaction },
        );

        if (!counseling_sessions) {
            return counseling_sessions;
        }

        const output = counseling_sessions.get({plain: true});

        
        
        
        
        
        
        
        output.session_notes_counseling_session = await counseling_sessions.getSession_notes_counseling_session({
            transaction
        });
        
        
        
        
        
        
        output.case_record = await counseling_sessions.getCase_record({
            transaction
        });
        
        
        output.student = await counseling_sessions.getStudent({
            transaction
        });
        
        
        output.counselor = await counseling_sessions.getCounselor({
            transaction
        });
        
        
        output.attachments = await counseling_sessions.getAttachments({
            transaction
        });
        
        

        return output;
    }

    static async findAll(
          filter,
           options
        ) {
        const limit = filter.limit || 0;
        let offset = 0;
        let where = {};
        const currentPage = +filter.page;

        

        

        offset = currentPage * limit;

        const orderBy = null;

    const transaction = (options && options.transaction) || undefined;

    let include = [

      {
        model: db.case_records,
        as: 'case_record',
        
        where: filter.case_record ? {
          [Op.or]: [
            { id: { [Op.in]: filter.case_record.split('|').map(term => Utils.uuid(term)) } },
            {
              case_code: {
                [Op.or]: filter.case_record.split('|').map(term => ({ [Op.iLike]: `%${term}%` }))
              }
            },
          ]
        } : {},
        
      },

      {
        model: db.students,
        as: 'student',
        
        where: filter.student ? {
          [Op.or]: [
            { id: { [Op.in]: filter.student.split('|').map(term => Utils.uuid(term)) } },
            {
              student_number: {
                [Op.or]: filter.student.split('|').map(term => ({ [Op.iLike]: `%${term}%` }))
              }
            },
          ]
        } : {},
        
      },

      {
        model: db.users,
        as: 'counselor',
        
        where: filter.counselor ? {
          [Op.or]: [
            { id: { [Op.in]: filter.counselor.split('|').map(term => Utils.uuid(term)) } },
            {
              firstName: {
                [Op.or]: filter.counselor.split('|').map(term => ({ [Op.iLike]: `%${term}%` }))
              }
            },
          ]
        } : {},
        
      },



      {
        model: db.file,
        as: 'attachments',
      },

    ];

        if (filter) {
            if (filter.id) {
                where = {
                    ...where,
                    ['id']: Utils.uuid(filter.id),
                };
            }

            
            if (filter.location) {
                where = {
                    ...where,
                    [Op.and]: Utils.ilike(
                        'counseling_sessions',
                        'location',
                        filter.location,
                    ),
                };
            }
            
            if (filter.summary) {
                where = {
                    ...where,
                    [Op.and]: Utils.ilike(
                        'counseling_sessions',
                        'summary',
                        filter.summary,
                    ),
                };
            }
            
            if (filter.action_items) {
                where = {
                    ...where,
                    [Op.and]: Utils.ilike(
                        'counseling_sessions',
                        'action_items',
                        filter.action_items,
                    ),
                };
            }
            

            
            
            if (filter.calendarStart && filter.calendarEnd) {
                where = {
                    ...where,
                    [Op.or]: [
                        {
                            scheduled_start_at: {
                                [Op.between]: [filter.calendarStart, filter.calendarEnd],
                            },
                    },
                {
                    scheduled_end_at: {
                        [Op.between]: [filter.calendarStart, filter.calendarEnd],
                    },
                },
                ],
            };
            }
            

            
            if (filter.scheduled_start_atRange) {
                const [start, end] = filter.scheduled_start_atRange;

                if (start !== undefined && start !== null && start !== '') {
                    where = {
                        ...where,
                    scheduled_start_at: {
                    ...where.scheduled_start_at,
                            [Op.gte]: start,
                    },
                };
                }

                if (end !== undefined && end !== null && end !== '') {
                    where = {
                        ...where,
                    scheduled_start_at: {
                    ...where.scheduled_start_at,
                            [Op.lte]: end,
                    },
                };
                }
            }
            
            if (filter.scheduled_end_atRange) {
                const [start, end] = filter.scheduled_end_atRange;

                if (start !== undefined && start !== null && start !== '') {
                    where = {
                        ...where,
                    scheduled_end_at: {
                    ...where.scheduled_end_at,
                            [Op.gte]: start,
                    },
                };
                }

                if (end !== undefined && end !== null && end !== '') {
                    where = {
                        ...where,
                    scheduled_end_at: {
                    ...where.scheduled_end_at,
                            [Op.lte]: end,
                    },
                };
                }
            }
            
            if (filter.actual_start_atRange) {
                const [start, end] = filter.actual_start_atRange;

                if (start !== undefined && start !== null && start !== '') {
                    where = {
                        ...where,
                    actual_start_at: {
                    ...where.actual_start_at,
                            [Op.gte]: start,
                    },
                };
                }

                if (end !== undefined && end !== null && end !== '') {
                    where = {
                        ...where,
                    actual_start_at: {
                    ...where.actual_start_at,
                            [Op.lte]: end,
                    },
                };
                }
            }
            
            if (filter.actual_end_atRange) {
                const [start, end] = filter.actual_end_atRange;

                if (start !== undefined && start !== null && start !== '') {
                    where = {
                        ...where,
                    actual_end_at: {
                    ...where.actual_end_at,
                            [Op.gte]: start,
                    },
                };
                }

                if (end !== undefined && end !== null && end !== '') {
                    where = {
                        ...where,
                    actual_end_at: {
                    ...where.actual_end_at,
                            [Op.lte]: end,
                    },
                };
                }
            }
            
            if (filter.follow_up_atRange) {
                const [start, end] = filter.follow_up_atRange;

                if (start !== undefined && start !== null && start !== '') {
                    where = {
                        ...where,
                    follow_up_at: {
                    ...where.follow_up_at,
                            [Op.gte]: start,
                    },
                };
                }

                if (end !== undefined && end !== null && end !== '') {
                    where = {
                        ...where,
                    follow_up_at: {
                    ...where.follow_up_at,
                            [Op.lte]: end,
                    },
                };
                }
            }
            

            if (filter.active !== undefined) {
                where = {
                    ...where,
                    active: filter.active === true || filter.active === 'true'
                };
            }

            
            if (filter.session_type) {
                where = {
                    ...where,
                session_type: filter.session_type,
            };
            }
            
            if (filter.mode) {
                where = {
                    ...where,
                mode: filter.mode,
            };
            }
            
            if (filter.outcome) {
                where = {
                    ...where,
                outcome: filter.outcome,
            };
            }
            
            if (filter.is_confidential) {
                where = {
                    ...where,
                is_confidential: filter.is_confidential,
            };
            }
            


      

      

      



            if (filter.createdAtRange) {
                const [start, end] = filter.createdAtRange;

                if (start !== undefined && start !== null && start !== '') {
                    where = {
                        ...where,
                        ['createdAt']: {
                            ...where.createdAt,
                            [Op.gte]: start,
                        },
                    };
                }

                if (end !== undefined && end !== null && end !== '') {
                    where = {
                        ...where,
                        ['createdAt']: {
                            ...where.createdAt,
                            [Op.lte]: end,
                        },
                    };
                }
            }
        }
        

        

        const queryOptions = {
            where,
            include,
            distinct: true,
            order: filter.field && filter.sort
                ? [[filter.field, filter.sort]]
                : [['createdAt', 'desc']],
            transaction: options?.transaction,
            logging: console.log
        };

        if (!options?.countOnly) {
            queryOptions.limit = limit ? Number(limit) : undefined;
            queryOptions.offset = offset ? Number(offset) : undefined;
        }

        try {
            const { rows, count } = await db.counseling_sessions.findAndCountAll(queryOptions);

            return {
                rows: options?.countOnly ? [] : rows,
                count: count
            };
        } catch (error) {
            console.error('Error executing query:', error);
            throw error;
        }
    }

    static async findAllAutocomplete(query, limit, offset, ) {
        let where = {};
        
        

        if (query) {
            where = {
                [Op.or]: [
                    { ['id']: Utils.uuid(query) },
                    Utils.ilike(
                        'counseling_sessions',
                        'location',
                        query,
                    ),
                ],
            };
        }

        const records = await db.counseling_sessions.findAll({
            attributes: [ 'id', 'location' ],
            where,
            limit: limit ? Number(limit) : undefined,
            offset: offset ? Number(offset) : undefined,
            orderBy: [['location', 'ASC']],
        });

        return records.map((record) => ({
            id: record.id,
            label: record.location,
        }));
    }

    
};