const express = require('express')

module.exports = function (options) {
    const db = options.db;
    var router = express.Router();

    router.route('/')
        .get(function(request, response, next) {
            db.Project.findAll()
            .then(projects => {
                response.display("projects", {
                    user: request.user,
                    pageTitle: "Projects - Mantra",
                    projects: projects
                })
            })
        })
    
    router.route('/:id')
        .get(function(request, response, next) {
            db.Project.findByPk(request.params.id, {
                include: [
                    {
                        association: db.Project.ProjectEntryVersions,
                        include: [
                            {
                                association: db.ProjectEntryVersion.EntryVersion,
                                include: [
                                    {
                                        association: db.EntryVersion.Entry
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        association: db.Project.ProjectTranslationEntryVersions,
                        include: [
                            {
                                association: db.ProjectTranslationEntryVersion.TranslationEntryVersion,
                                include: [
                                    {
                                        association: db.TranslationEntryVersion.EntryVersion,
                                        include: [
                                            {
                                                association: db.EntryVersion.Entry
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            }).then(project => {
                if (project) {
                    response.display("project", {
                        user: request.user,
                        pageTitle: "Projects - Mantra",
                        project: project
                    })
                } else {
                    next()
                }
            }).catch(error => {
                next(error)
            })
        })

    router.route('/create')
        .get(function(request, response, next) {
            response.display("project-form", {
                user: request.user,
                pageTitle: "Projects - Mantra",
                project: {

                }
            })
        })
        .post(function(request, response, next) {
            db.Project.create({
                name: request.body.name,
                description: request.body.description
            }).then(project => {
                if (project) {
                    response.redirect(`/projects/${project.id}`)
                } else {
                    next()
                }
            }).catch(error => {
                next(error)
            })
        })

    router.route('/:id/add-entry')
        .get(function(request, response, next) {
            db.Project.findByPk(request.params.id, {
                include: [
                    {
                        association: db.Project.ProjectEntryVersions
                    },
                    {
                        association: db.Project.ProjectTranslationEntryVersions
                    }
                ]
            }).then(async (project) => {
                if (project) {
                    const entries = await db.Entry.findAll({
                        // Narrow it down to entries this user has admin ownership off...,
                        include: [
                            {
                                association: db.Entry.EntryVersions,
                                limit: 1,
                                required: true
                                // TODO: Order by version...
                            }
                        ]
                    })
                    response.display("project-add-entry", {
                        user: request.user,
                        pageTitle: "Projects - Mantra",
                        project: project,
                        entries: entries
                    })
                } else {
                    next()
                }
            }).catch(error => {
                next(error)
            })
        })
        .post(function(request, response, next) {
            db.Project.findByPk(request.params.id, {
                include: [
                    {
                        association: db.Project.ProjectEntryVersions,
                        include: [
                            {
                                association: db.ProjectEntryVersion.EntryVersion,
                                include: [
                                    {
                                        association: db.EntryVersion.Entry
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        association: db.Project.ProjectTranslationEntryVersions,
                        include: [
                            {
                                association: db.ProjectTranslationEntryVersion.TranslationEntryVersion,
                                include: [
                                    {
                                        association: db.TranslationEntryVersion.EntryVersion,
                                        include: [
                                            {
                                                association: db.EntryVersion.Entry
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            }).then(async (project) => {
                if (project) {
                    // TODO: Fi
                    const entryVersion = await db.EntryVersion.findByPk(request.body.entryVersionId, {
                        // Narrow it down to entries this user has admin ownership off...,
                    })

                    if (entryVersion) {
                        const projectEntryVersion = db.ProjectEntryVersion.create({
                            projectId: project.id,
                            entryVersionId: entryVersion.id
                        })
    
                        response.redirect(`/projects/${project.id}`)
                    } else {
                        response.redirect(`/projects/${project.id}/add-entry`)
                    }

                    
                } else {
                    next()
                }
            }).catch(error => {
                next(error)
            })
        })

    router.route('/:id/add-translation')
        .get(function(request, response, next) {
            db.Project.findByPk(request.params.id, {
                include: [
                    {
                        association: db.Project.ProjectEntryVersions
                    },
                    {
                        association: db.Project.ProjectTranslationEntryVersions
                    }
                ]
            }).then(async (project) => {
                if (project) {
                    const translationEntryVersions = await db.TranslationEntryVersion.findAll({
                        // Narrow it down to entries this user has admin ownership off...,
                        include: [
                            {
                                association: db.TranslationEntryVersion.EntryVersion,
                                required: true,
                                // TODO: Order by version...
                                include: [
                                    {
                                        association: db.EntryVersion.Entry
                                    }
                                ]
                            }
                        ]
                    })
                    response.display("project-add-translation", {
                        user: request.user,
                        pageTitle: "Projects - Mantra",
                        project: project,
                        translationEntryVersions: translationEntryVersions
                    })
                } else {
                    next()
                }
            }).catch(error => {
                next(error)
            })
        })
        .post(function(request, response, next) {
            db.Project.findByPk(request.params.id, {
                include: [
                    {
                        association: db.Project.ProjectEntryVersions
                    },
                    {
                        association: db.Project.ProjectTranslationEntryVersions
                    }
                ]
            }).then(async (project) => {
                if (project) {
                    // TODO: Fi
                    const translationEntryVersion = await db.TranslationEntryVersion.findByPk(request.body.translationEntryVersionId, {
                        // Narrow it down to entries this user has admin ownership off...,
                        include: [
                            {
                                association: db.TranslationEntryVersion.EntryVersion,
                                required: true
                                // TODO: Order by version...
                            }
                        ]
                    })

                    if (translationEntryVersion) {
                        const projectTranslationEntryVersion = db.ProjectTranslationEntryVersion.create({
                            projectId: project.id,
                            translationEntryVersionId: translationEntryVersion.id
                        })
    
                        response.redirect(`/projects/${project.id}`)
                    } else {
                        response.redirect(`/projects/${project.id}/add-translation`)
                    }
                    
                } else {
                    next()
                }
            }).catch(error => {
                next(error)
            })
        })
    return router;
};