/*
 * The primary table that stores all backups.
 *
 * The name and tag are free form user strings.
 * The tags are comma seperated
 * the TargetURL is the url to remote storage,
 * and the DBPath is the path to the local database
 */
CREATE TABLE "Backup" (
    "ID" INTEGER PRIMARY KEY,
    "Name" TEXT NOT NULL,
    "Tags" TEXT NOT NULL,
    "TargetURL" TEXT NOT NULL,
    "DBPath" TEXT NOT NULL
);

/*
 * The table that stores all schedules
 * 
 * Tags is a comma separated parsed field that indicates 
 * which backups to run when activated.
 * special tags are ID:1 which means backup with ID = 1
 * 
 * Time is the scheduled time, and lastRun is the last time the backup was executed
 *
 * Rule is a special parsed field
 */
CREATE TABLE "Schedule" (
    "ID" INTEGER PRIMARY KEY,
    "Tags" TEXT NOT NULL,
    "Time" INTEGER NOT NULL,
    "Repeat" TEXT NOT NULL,
    "LastRun" INTEGER NOT NULL,
    "Rule" TEXT NOT NULL
);

/*
 * The source table is a list of source folders and files
 */
CREATE TABLE "Source" (
    "BackupID" INTEGER NOT NULL,
    "Path" TEXT NOT NULL
);

/*
 * The filter table contains all filters associated with a backup.
 * The special backupID -1 means "applied to all backups"
 * The expression is the filter, if the filter is a regular
 * expression, it is surrounded by hard brackets [ ]
 */
CREATE TABLE "Filter" (
    "BackupID" INTEGER NOT NULL,
    "Order" INTEGER NOT NULL,
    "Include" INTEGER NOT NULL,
    "Expression" TEXT NOT NULL
);

/*
 * All options are stored in this table
 *
 * The special backupID -1 means "applied to all backups".
 *
 * The filter is used to indicate what the option applies to,
 * for instance backend:s3 will only apply to backends of type S3
 *
 * The name and value are the option name and value
 */
CREATE TABLE "Option" (
    "BackupID" INTEGER NOT NULL,
    "Filter" TEXT NOT NULL,
    "Name" TEXT NOT NULL,
    "Value" TEXT NOT NULL
);

/*
 * Recorded metadata about a backup
 * This table contains metadata, such as when the backup was last started,
 * how long it took, how many files there were, how big the backup set was,
 * how much data was uploaded, downloaded, how fast, how much space is left,
 * and similar data. Programs can use this information to improve the display,
 * but cannot count on these values being present
 */
CREATE TABLE "Metadata" (
    "BackupID" INTEGER NOT NULL,
    "Name" TEXT NOT NULL,
    "Value" TEXT NOT NULL
);

/*
 * The log of operations initiated by the scheduler/user
 */
CREATE TABLE "Log" (
    "BackupID" INTEGER NOT NULL,
    "Description" TEXT NOT NULL,
    "Start" INTEGER NOT NULL,
    "Finish" INTEGER NOT NULL,
    "Result" TEXT NOT NULL,
    "SuggestedIcon" TEXT NOT NULL
);

/*
 * The log of errors
 */
CREATE TABLE "ErrorLog" (
    "BackupID" INTEGER,
    "Message" TEXT NOT NULL,
    "Exception" TEXT,
    "Timestamp" INTEGER NOT NULL
);

/*
Internal version tracking
*/
CREATE TABLE "Version" (
    "ID" INTEGER PRIMARY KEY,
    "Version" INTEGER NOT NULL
);

INSERT INTO "Version" ("Version") VALUES (0);