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 ProjectsDBApi {
    

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

        const projects = await db.projects.create(
            {
                id: data.id || undefined,
        
        project_title: data.project_title
        ||
        null
            ,
            
        project_description: data.project_description
        ||
        null
            ,
            
        project_type: data.project_type
        ||
        null
            ,
            
        engagement_model: data.engagement_model
        ||
        null
            ,
            
        budget_min: data.budget_min
        ||
        null
            ,
            
        budget_max: data.budget_max
        ||
        null
            ,
            
        budget_currency: data.budget_currency
        ||
        null
            ,
            
        estimated_hours: data.estimated_hours
        ||
        null
            ,
            
        location_preference: data.location_preference
        ||
        null
            ,
            
        remote_ok: data.remote_ok
        ||
        false
        
            ,
            
        desired_start_at: data.desired_start_at
        ||
        null
            ,
            
        desired_end_at: data.desired_end_at
        ||
        null
            ,
            
        status: data.status
        ||
        null
            ,
            
            importHash: data.importHash || null,
            createdById: currentUser.id,
            updatedById: currentUser.id,
    },
        { transaction },
    );

        
        await projects.setCompany( data.company || null, {
            transaction,
        });
        
        await projects.setOwner_user( data.owner_user || null, {
            transaction,
        });
        
        await projects.setErp_system( data.erp_system || null, {
            transaction,
        });
        
        await projects.setOrganizations( data.organizations || null, {
            transaction,
        });
        

        

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

        return projects;
    }
    

    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 projectsData = data.map((item, index) => ({
                id: item.id || undefined,
                
                project_title: item.project_title
            ||
            null
            ,
            
                project_description: item.project_description
            ||
            null
            ,
            
                project_type: item.project_type
            ||
            null
            ,
            
                engagement_model: item.engagement_model
            ||
            null
            ,
            
                budget_min: item.budget_min
            ||
            null
            ,
            
                budget_max: item.budget_max
            ||
            null
            ,
            
                budget_currency: item.budget_currency
            ||
            null
            ,
            
                estimated_hours: item.estimated_hours
            ||
            null
            ,
            
                location_preference: item.location_preference
            ||
            null
            ,
            
                remote_ok: item.remote_ok
            ||
            false
        
            ,
            
                desired_start_at: item.desired_start_at
            ||
            null
            ,
            
                desired_end_at: item.desired_end_at
            ||
            null
            ,
            
                status: item.status
            ||
            null
            ,
            
            importHash: item.importHash || null,
            createdById: currentUser.id,
            updatedById: currentUser.id,
            createdAt: new Date(Date.now() + index * 1000),
    }));

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

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

        return projects;
    }

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

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


        

        const updatePayload = {};
        
        if (data.project_title !== undefined) updatePayload.project_title = data.project_title;
        
        
        if (data.project_description !== undefined) updatePayload.project_description = data.project_description;
        
        
        if (data.project_type !== undefined) updatePayload.project_type = data.project_type;
        
        
        if (data.engagement_model !== undefined) updatePayload.engagement_model = data.engagement_model;
        
        
        if (data.budget_min !== undefined) updatePayload.budget_min = data.budget_min;
        
        
        if (data.budget_max !== undefined) updatePayload.budget_max = data.budget_max;
        
        
        if (data.budget_currency !== undefined) updatePayload.budget_currency = data.budget_currency;
        
        
        if (data.estimated_hours !== undefined) updatePayload.estimated_hours = data.estimated_hours;
        
        
        if (data.location_preference !== undefined) updatePayload.location_preference = data.location_preference;
        
        
        if (data.remote_ok !== undefined) updatePayload.remote_ok = data.remote_ok;
        
        
        if (data.desired_start_at !== undefined) updatePayload.desired_start_at = data.desired_start_at;
        
        
        if (data.desired_end_at !== undefined) updatePayload.desired_end_at = data.desired_end_at;
        
        
        if (data.status !== undefined) updatePayload.status = data.status;
        
        
        updatePayload.updatedById = currentUser.id;

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

        
        
        if (data.company !== undefined) {
            await projects.setCompany(
              
              data.company,
              
              { transaction }
            );
        }
        
        if (data.owner_user !== undefined) {
            await projects.setOwner_user(
              
              data.owner_user,
              
              { transaction }
            );
        }
        
        if (data.erp_system !== undefined) {
            await projects.setErp_system(
              
              data.erp_system,
              
              { transaction }
            );
        }
        
        if (data.organizations !== undefined) {
            await projects.setOrganizations(
              
              data.organizations,
              
              { transaction }
            );
        }
        

        
        

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

        return projects;
    }

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

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

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


        return projects;
    }

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

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

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

        await projects.destroy({
            transaction
        });

        return projects;
    }

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

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

        if (!projects) {
            return projects;
        }

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

        
        
        
        
        
        
        
        
        
        
        
        output.project_skill_requirements_project = await projects.getProject_skill_requirements_project({
            transaction
        });
        
        
        output.proposals_project = await projects.getProposals_project({
            transaction
        });
        
        
        output.contracts_project = await projects.getContracts_project({
            transaction
        });
        
        
        output.conversations_project = await projects.getConversations_project({
            transaction
        });
        
        
        
        
        
        
        
        output.company = await projects.getCompany({
            transaction
        });
        
        
        output.owner_user = await projects.getOwner_user({
            transaction
        });
        
        
        output.erp_system = await projects.getErp_system({
            transaction
        });
        
        
        output.attachment_files = await projects.getAttachment_files({
            transaction
        });
        
        
        output.organizations = await projects.getOrganizations({
            transaction
        });
        
        

        return output;
    }

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

        
        const user = (options && options.currentUser) || null;
        const userOrganizations = (user && user.organizations?.id) || null;
        

        
        if (userOrganizations) {
            if (options?.currentUser?.organizationsId) {
                where.organizationsId = options.currentUser.organizationsId;
            }
        }
        

        offset = currentPage * limit;

        const orderBy = null;

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

    let include = [

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

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

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

      {
        model: db.organizations,
        as: 'organizations',
        
      },



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

    ];

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

            
            if (filter.project_title) {
                where = {
                    ...where,
                    [Op.and]: Utils.ilike(
                        'projects',
                        'project_title',
                        filter.project_title,
                    ),
                };
            }
            
            if (filter.project_description) {
                where = {
                    ...where,
                    [Op.and]: Utils.ilike(
                        'projects',
                        'project_description',
                        filter.project_description,
                    ),
                };
            }
            
            if (filter.budget_currency) {
                where = {
                    ...where,
                    [Op.and]: Utils.ilike(
                        'projects',
                        'budget_currency',
                        filter.budget_currency,
                    ),
                };
            }
            
            if (filter.location_preference) {
                where = {
                    ...where,
                    [Op.and]: Utils.ilike(
                        'projects',
                        'location_preference',
                        filter.location_preference,
                    ),
                };
            }
            

            
            

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

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

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

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

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

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

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

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

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

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

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

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

            
            if (filter.project_type) {
                where = {
                    ...where,
                project_type: filter.project_type,
            };
            }
            
            if (filter.engagement_model) {
                where = {
                    ...where,
                engagement_model: filter.engagement_model,
            };
            }
            
            if (filter.remote_ok) {
                where = {
                    ...where,
                remote_ok: filter.remote_ok,
            };
            }
            
            if (filter.status) {
                where = {
                    ...where,
                status: filter.status,
            };
            }
            


      

      

      

      
      if (filter.organizations) {
        const listItems = filter.organizations.split('|').map(item => {
          return  Utils.uuid(item)
        });

        where = {
          ...where,
          organizationsId: {[Op.or]: listItems}
        };
      }
      



            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,
                        },
                    };
                }
            }
        }
        

        
        if (globalAccess) {
            delete where.organizationsId;
        }
        

        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.projects.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,  globalAccess, organizationId,) {
        let where = {};
        
        
        if (!globalAccess && organizationId) {
            where.organizationId = organizationId;
        }
        

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

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

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

    
};